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<h1 class="epydoc">Source Code for <a href="SatStress.SatStress-module.html">Module SatStress.SatStress</a></h1>
<pre class="py-src">
<a name="L1"></a><tt class="py-lineno">   1</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L2"></a><tt class="py-lineno">   2</tt>  <tt class="py-line"><tt class="py-docstring">A framework for calculating the surface stresses at a particular place and time</tt> </tt>
<a name="L3"></a><tt class="py-lineno">   3</tt>  <tt class="py-line"><tt class="py-docstring">on a satellite resulting from one or more tidal potentials.</tt> </tt>
<a name="L4"></a><tt class="py-lineno">   4</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L5"></a><tt class="py-lineno">   5</tt>  <tt class="py-line"><tt class="py-docstring">1 Input and Output</tt> </tt>
<a name="L6"></a><tt class="py-lineno">   6</tt>  <tt class="py-line"><tt class="py-docstring">==================</tt> </tt>
<a name="L7"></a><tt class="py-lineno">   7</tt>  <tt class="py-line"><tt class="py-docstring">Because C{SatStress} is a "library" module, it doesn't do a lot of input and</tt> </tt>
<a name="L8"></a><tt class="py-lineno">   8</tt>  <tt class="py-line"><tt class="py-docstring">output - it's mostly about doing calculations.  It does need to read in the</tt> </tt>
<a name="L9"></a><tt class="py-lineno">   9</tt>  <tt class="py-line"><tt class="py-docstring">specification of a L{Satellite} object though, and it can write the same kind</tt> </tt>
<a name="L10"></a><tt class="py-lineno">  10</tt>  <tt class="py-line"><tt class="py-docstring">of specification out.  To do this, it uses name-value files, and a function</tt> </tt>
<a name="L11"></a><tt class="py-lineno">  11</tt>  <tt class="py-line"><tt class="py-docstring">called L{nvf2dict}, which creates a Python dictionary (or "associative array").</tt> </tt>
<a name="L12"></a><tt class="py-lineno">  12</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L13"></a><tt class="py-lineno">  13</tt>  <tt class="py-line"><tt class="py-docstring">A name-value file is just a file containing a bunch of name-value pairs, like::</tt> </tt>
<a name="L14"></a><tt class="py-lineno">  14</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L15"></a><tt class="py-lineno">  15</tt>  <tt class="py-line"><tt class="py-docstring">  ORBIT_ECCENTRICITY = 0.0094   # e must be &lt; 0.25</tt> </tt>
<a name="L16"></a><tt class="py-lineno">  16</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L17"></a><tt class="py-lineno">  17</tt>  <tt class="py-line"><tt class="py-docstring">It can also contain comments to enhance human readability (anything following a</tt> </tt>
<a name="L18"></a><tt class="py-lineno">  18</tt>  <tt class="py-line"><tt class="py-docstring">'#' on a line is ignored, as with the note in the line above).</tt> </tt>
<a name="L19"></a><tt class="py-lineno">  19</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L20"></a><tt class="py-lineno">  20</tt>  <tt class="py-line"><tt class="py-docstring">2 Satellites</tt> </tt>
<a name="L21"></a><tt class="py-lineno">  21</tt>  <tt class="py-line"><tt class="py-docstring">============</tt> </tt>
<a name="L22"></a><tt class="py-lineno">  22</tt>  <tt class="py-line"><tt class="py-docstring">Obviously if we want to calculate the stresses on the surface of a satellite,</tt> </tt>
<a name="L23"></a><tt class="py-lineno">  23</tt>  <tt class="py-line"><tt class="py-docstring">we need to define the satellite, this is what the L{Satellite} object does.</tt> </tt>
<a name="L24"></a><tt class="py-lineno">  24</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L25"></a><tt class="py-lineno">  25</tt>  <tt class="py-line"><tt class="py-docstring">2.1 Specifying a Satellite</tt> </tt>
<a name="L26"></a><tt class="py-lineno">  26</tt>  <tt class="py-line"><tt class="py-docstring">--------------------------</tt> </tt>
<a name="L27"></a><tt class="py-lineno">  27</tt>  <tt class="py-line"><tt class="py-docstring">  In order to specify a satellite, we need:</tt> </tt>
<a name="L28"></a><tt class="py-lineno">  28</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L29"></a><tt class="py-lineno">  29</tt>  <tt class="py-line"><tt class="py-docstring">    - an ID of some kind for the planet/satellite pair of interest</tt> </tt>
<a name="L30"></a><tt class="py-lineno">  30</tt>  <tt class="py-line"><tt class="py-docstring">    - the charactaristics of the satellite's orbital environment</tt> </tt>
<a name="L31"></a><tt class="py-lineno">  31</tt>  <tt class="py-line"><tt class="py-docstring">    - the satellite's internal structure and material properties</tt> </tt>
<a name="L32"></a><tt class="py-lineno">  32</tt>  <tt class="py-line"><tt class="py-docstring">    - the forcings to which the satellite is subjected</tt> </tt>
<a name="L33"></a><tt class="py-lineno">  33</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L34"></a><tt class="py-lineno">  34</tt>  <tt class="py-line"><tt class="py-docstring">  From a few basic inputs, we can calculate many derived characteristics, such</tt> </tt>
<a name="L35"></a><tt class="py-lineno">  35</tt>  <tt class="py-line"><tt class="py-docstring">  as the satellite's orbital period or the surface gravity.</tt> </tt>
<a name="L36"></a><tt class="py-lineno">  36</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L37"></a><tt class="py-lineno">  37</tt>  <tt class="py-line"><tt class="py-docstring">  The internal structure and material properties are specified by a series of</tt> </tt>
<a name="L38"></a><tt class="py-lineno">  38</tt>  <tt class="py-line"><tt class="py-docstring">  concentric spherical shells (layers), each one being homogeneous throughout</tt> </tt>
<a name="L39"></a><tt class="py-lineno">  39</tt>  <tt class="py-line"><tt class="py-docstring">  its extent.  Given the densities and thicknesses of the these layers, we can</tt> </tt>
<a name="L40"></a><tt class="py-lineno">  40</tt>  <tt class="py-line"><tt class="py-docstring">  calculate the satellite's overall size, mass, density, etc.</tt> </tt>
<a name="L41"></a><tt class="py-lineno">  41</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L42"></a><tt class="py-lineno">  42</tt>  <tt class="py-line"><tt class="py-docstring">  Specifying a tidal forcing may be simple or complex.  For instance, the</tt> </tt>
<a name="L43"></a><tt class="py-lineno">  43</tt>  <tt class="py-line"><tt class="py-docstring">  L{Diurnal} forcing depends only on the orbital eccentricity (and other</tt> </tt>
<a name="L44"></a><tt class="py-lineno">  44</tt>  <tt class="py-line"><tt class="py-docstring">  orbital parameters already supplied), and the L{NSR} forcing requires only</tt> </tt>
<a name="L45"></a><tt class="py-lineno">  45</tt>  <tt class="py-line"><tt class="py-docstring">  the addition of the non-synchronous rotation period of the shell.  Specifying</tt> </tt>
<a name="L46"></a><tt class="py-lineno">  46</tt>  <tt class="py-line"><tt class="py-docstring">  an arbitrary true polar wander trajectory would be much more complex.</tt> </tt>
<a name="L47"></a><tt class="py-lineno">  47</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L48"></a><tt class="py-lineno">  48</tt>  <tt class="py-line"><tt class="py-docstring">  For the moment, becuase we are only including simple forcings, their</tt> </tt>
<a name="L49"></a><tt class="py-lineno">  49</tt>  <tt class="py-line"><tt class="py-docstring">  specifying parameters are read in from the satellite definition file.  If</tt> </tt>
<a name="L50"></a><tt class="py-lineno">  50</tt>  <tt class="py-line"><tt class="py-docstring">  more, and more complex forcings are eventually added to the model, their</tt> </tt>
<a name="L51"></a><tt class="py-lineno">  51</tt>  <tt class="py-line"><tt class="py-docstring">  specification will probably be split into a separate input file.</tt> </tt>
<a name="L52"></a><tt class="py-lineno">  52</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L53"></a><tt class="py-lineno">  53</tt>  <tt class="py-line"><tt class="py-docstring">2.2 Internal Structure and Love Numbers</tt> </tt>
<a name="L54"></a><tt class="py-lineno">  54</tt>  <tt class="py-line"><tt class="py-docstring">---------------------------------------</tt> </tt>
<a name="L55"></a><tt class="py-lineno">  55</tt>  <tt class="py-line"><tt class="py-docstring">  SatStress treats the solid portions of the satellite as U{viscoelastic</tt> </tt>
<a name="L56"></a><tt class="py-lineno">  56</tt>  <tt class="py-line"><tt class="py-docstring">  Maxwell solids &lt;http://en.wikipedia.org/wiki/Maxwell_material&gt;}, that respond</tt> </tt>
<a name="L57"></a><tt class="py-lineno">  57</tt>  <tt class="py-line"><tt class="py-docstring">  differently to forcings having different frequencies (S{omega}).  Given the a</tt> </tt>
<a name="L58"></a><tt class="py-lineno">  58</tt>  <tt class="py-line"><tt class="py-docstring">  specification of the internal structure and material properties of a</tt> </tt>
<a name="L59"></a><tt class="py-lineno">  59</tt>  <tt class="py-line"><tt class="py-docstring">  satellite as a series of layers, and information about the tidal forcings the</tt> </tt>
<a name="L60"></a><tt class="py-lineno">  60</tt>  <tt class="py-line"><tt class="py-docstring">  body is subject to, it's possible to calculate appropriate Love numbers,</tt> </tt>
<a name="L61"></a><tt class="py-lineno">  61</tt>  <tt class="py-line"><tt class="py-docstring">  which describe how the body responds to a change in the gravitational</tt> </tt>
<a name="L62"></a><tt class="py-lineno">  62</tt>  <tt class="py-line"><tt class="py-docstring">  potential.</tt> </tt>
<a name="L63"></a><tt class="py-lineno">  63</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L64"></a><tt class="py-lineno">  64</tt>  <tt class="py-line"><tt class="py-docstring">  Currently the calculation of Love numbers is done by an external program</tt> </tt>
<a name="L65"></a><tt class="py-lineno">  65</tt>  <tt class="py-line"><tt class="py-docstring">  written in Fortran by John Wahr and others, with roots reaching deep into the</tt> </tt>
<a name="L66"></a><tt class="py-lineno">  66</tt>  <tt class="py-line"><tt class="py-docstring">  Dark Ages of computing.  As that code (or another Love number code) is more</tt> </tt>
<a name="L67"></a><tt class="py-lineno">  67</tt>  <tt class="py-line"><tt class="py-docstring">  closely integrated with the model, the internal structure of the satellite</tt> </tt>
<a name="L68"></a><tt class="py-lineno">  68</tt>  <tt class="py-line"><tt class="py-docstring">  will become more flexible, but for the moment, we are limited to assuming</tt> </tt>
<a name="L69"></a><tt class="py-lineno">  69</tt>  <tt class="py-line"><tt class="py-docstring">  a 4-layer structure:</tt> </tt>
<a name="L70"></a><tt class="py-lineno">  70</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L71"></a><tt class="py-lineno">  71</tt>  <tt class="py-line"><tt class="py-docstring">    - B{C{ICE_UPPER}}: The upper portion of the shell (cooler, stiffer)</tt> </tt>
<a name="L72"></a><tt class="py-lineno">  72</tt>  <tt class="py-line"><tt class="py-docstring">    - B{C{ICE_LOWER}}: The lower portion of the shell (warmer, softer)</tt> </tt>
<a name="L73"></a><tt class="py-lineno">  73</tt>  <tt class="py-line"><tt class="py-docstring">    - B{C{OCEAN}}: An inviscid fluid decoupling the shell from the core.</tt> </tt>
<a name="L74"></a><tt class="py-lineno">  74</tt>  <tt class="py-line"><tt class="py-docstring">    - B{C{CORE}}: The silicate interior of the body.</tt> </tt>
<a name="L75"></a><tt class="py-lineno">  75</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L76"></a><tt class="py-lineno">  76</tt>  <tt class="py-line"><tt class="py-docstring">3 Stresses</tt> </tt>
<a name="L77"></a><tt class="py-lineno">  77</tt>  <tt class="py-line"><tt class="py-docstring">==========</tt> </tt>
<a name="L78"></a><tt class="py-lineno">  78</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L79"></a><tt class="py-lineno">  79</tt>  <tt class="py-line"><tt class="py-docstring">C{SatStress} can calculate the following stress fields:</tt> </tt>
<a name="L80"></a><tt class="py-lineno">  80</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L81"></a><tt class="py-lineno">  81</tt>  <tt class="py-line"><tt class="py-docstring">  1. B{L{Diurnal}}: stresses arising from an eccentric orbit, having a</tt> </tt>
<a name="L82"></a><tt class="py-lineno">  82</tt>  <tt class="py-line"><tt class="py-docstring">     forcing frequency equal to the orbital frequency.</tt> </tt>
<a name="L83"></a><tt class="py-lineno">  83</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L84"></a><tt class="py-lineno">  84</tt>  <tt class="py-line"><tt class="py-docstring">  2. B{L{NSR}}: stresses arising due to the faster-than-synchronous rotation</tt> </tt>
<a name="L85"></a><tt class="py-lineno">  85</tt>  <tt class="py-line"><tt class="py-docstring">     of a floating shell that is decoupled from the satellite's interior by a</tt> </tt>
<a name="L86"></a><tt class="py-lineno">  86</tt>  <tt class="py-line"><tt class="py-docstring">     fluid layer (an ocean).</tt> </tt>
<a name="L87"></a><tt class="py-lineno">  87</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L88"></a><tt class="py-lineno">  88</tt>  <tt class="py-line"><tt class="py-docstring">The expressions defining these stress fields are derived in "Modeling Stresses</tt> </tt>
<a name="L89"></a><tt class="py-lineno">  89</tt>  <tt class="py-line"><tt class="py-docstring">on Satellites due to Non-Synchronous Rotation and Orbital Eccentricity Using</tt> </tt>
<a name="L90"></a><tt class="py-lineno">  90</tt>  <tt class="py-line"><tt class="py-docstring">Gravitational Potential Theory" (U{preprint, 15MB PDF</tt> </tt>
<a name="L91"></a><tt class="py-lineno">  91</tt>  <tt class="py-line"><tt class="py-docstring">&lt;http://satstress.googlecode.com/files/Wahretal2008.pdf&gt;}) by Wahr et al.</tt> </tt>
<a name="L92"></a><tt class="py-lineno">  92</tt>  <tt class="py-line"><tt class="py-docstring">(submitted to I{Icarus}, in March, 2008).</tt> </tt>
<a name="L93"></a><tt class="py-lineno">  93</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L94"></a><tt class="py-lineno">  94</tt>  <tt class="py-line"><tt class="py-docstring">3.1 Stress Fields Live in L{StressDef} Objects</tt> </tt>
<a name="L95"></a><tt class="py-lineno">  95</tt>  <tt class="py-line"><tt class="py-docstring">----------------------------------------------</tt> </tt>
<a name="L96"></a><tt class="py-lineno">  96</tt>  <tt class="py-line"><tt class="py-docstring">  Each of the above stress fields is defined by a similarly named L{StressDef}</tt> </tt>
<a name="L97"></a><tt class="py-lineno">  97</tt>  <tt class="py-line"><tt class="py-docstring">  object.  These objects contain the formulae necessary to calculate the</tt> </tt>
<a name="L98"></a><tt class="py-lineno">  98</tt>  <tt class="py-line"><tt class="py-docstring">  surface stress.  The expressions for the stresses depend on many parameters</tt> </tt>
<a name="L99"></a><tt class="py-lineno">  99</tt>  <tt class="py-line"><tt class="py-docstring">  which are defined within the L{Satellite} object, and so to create a</tt> </tt>
<a name="L100"></a><tt class="py-lineno"> 100</tt>  <tt class="py-line"><tt class="py-docstring">  L{StressDef} object, you need to provide a L{Satellite} object.</tt> </tt>
<a name="L101"></a><tt class="py-lineno"> 101</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L102"></a><tt class="py-lineno"> 102</tt>  <tt class="py-line"><tt class="py-docstring">  There are many formulae which are identical for both the L{NSR} and</tt> </tt>
<a name="L103"></a><tt class="py-lineno"> 103</tt>  <tt class="py-line"><tt class="py-docstring">  L{Diurnal} stress fields, and so instead of duplicating them in both classes,</tt> </tt>
<a name="L104"></a><tt class="py-lineno"> 104</tt>  <tt class="py-line"><tt class="py-docstring">  they reside in the L{StressDef} I{base class}, from which all L{StressDef}</tt> </tt>
<a name="L105"></a><tt class="py-lineno"> 105</tt>  <tt class="py-line"><tt class="py-docstring">  objects inherit many properties.</tt> </tt>
<a name="L106"></a><tt class="py-lineno"> 106</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L107"></a><tt class="py-lineno"> 107</tt>  <tt class="py-line"><tt class="py-docstring">  The main requirement for each L{StressDef} object is that it must define the</tt> </tt>
<a name="L108"></a><tt class="py-lineno"> 108</tt>  <tt class="py-line"><tt class="py-docstring">  three components of the stress tensor S{tau}:</tt> </tt>
<a name="L109"></a><tt class="py-lineno"> 109</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L110"></a><tt class="py-lineno"> 110</tt>  <tt class="py-line"><tt class="py-docstring">    - C{Ttt} (S{tau}_S{theta}S{theta}) the north-south (latitudinal) component</tt> </tt>
<a name="L111"></a><tt class="py-lineno"> 111</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L112"></a><tt class="py-lineno"> 112</tt>  <tt class="py-line"><tt class="py-docstring">    - C{Tpt} (S{tau}_S{phi}S{theta} = S{tau}_S{theta}S{phi}) the shear</tt> </tt>
<a name="L113"></a><tt class="py-lineno"> 113</tt>  <tt class="py-line"><tt class="py-docstring">      component</tt> </tt>
<a name="L114"></a><tt class="py-lineno"> 114</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L115"></a><tt class="py-lineno"> 115</tt>  <tt class="py-line"><tt class="py-docstring">    - C{Tpp} (S{tau}_S{phi}S{phi}) the east-west (longitudinal) component</tt> </tt>
<a name="L116"></a><tt class="py-lineno"> 116</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L117"></a><tt class="py-lineno"> 117</tt>  <tt class="py-line"><tt class="py-docstring">3.2 Stress Calculations are Performed by L{StressCalc} Objects</tt> </tt>
<a name="L118"></a><tt class="py-lineno"> 118</tt>  <tt class="py-line"><tt class="py-docstring">--------------------------------------------------------------</tt> </tt>
<a name="L119"></a><tt class="py-lineno"> 119</tt>  <tt class="py-line"><tt class="py-docstring">  Once you've I{instantiated} a L{StressDef} object, or several of them (one</tt> </tt>
<a name="L120"></a><tt class="py-lineno"> 120</tt>  <tt class="py-line"><tt class="py-docstring">  for each stress you want to include), you can compose them together into a</tt> </tt>
<a name="L121"></a><tt class="py-lineno"> 121</tt>  <tt class="py-line"><tt class="py-docstring">  L{StressCalc} object, which will actually do calculations at given points on</tt> </tt>
<a name="L122"></a><tt class="py-lineno"> 122</tt>  <tt class="py-line"><tt class="py-docstring">  the surface, and given times, and return a 2x2 matrix containing the</tt> </tt>
<a name="L123"></a><tt class="py-lineno"> 123</tt>  <tt class="py-line"><tt class="py-docstring">  resulting stress tensor (each component of which is the sum of all of the</tt> </tt>
<a name="L124"></a><tt class="py-lineno"> 124</tt>  <tt class="py-line"><tt class="py-docstring">  corresponding components of the stress fields that were used to instantiated</tt> </tt>
<a name="L125"></a><tt class="py-lineno"> 125</tt>  <tt class="py-line"><tt class="py-docstring">  the L{StressCalc} object).</tt> </tt>
<a name="L126"></a><tt class="py-lineno"> 126</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L127"></a><tt class="py-lineno"> 127</tt>  <tt class="py-line"><tt class="py-docstring">  This is (hopefully) easier than it sounds.  With the following few lines, you</tt> </tt>
<a name="L128"></a><tt class="py-lineno"> 128</tt>  <tt class="py-line"><tt class="py-docstring">  can construct a satellite, do a single calculation on its surface, and see</tt> </tt>
<a name="L129"></a><tt class="py-lineno"> 129</tt>  <tt class="py-line"><tt class="py-docstring">  what it looks like:</tt> </tt>
<a name="L130"></a><tt class="py-lineno"> 130</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L131"></a><tt class="py-lineno"> 131</tt>  <tt class="py-line"><tt class="py-docstring">  &gt;&gt;&gt; from SatStress.SatStress import *</tt> </tt>
<a name="L132"></a><tt class="py-lineno"> 132</tt>  <tt class="py-line"><tt class="py-docstring">  &gt;&gt;&gt; the_sat = Satellite(open("input/Europa.satellite"))</tt> </tt>
<a name="L133"></a><tt class="py-lineno"> 133</tt>  <tt class="py-line"><tt class="py-docstring">  &gt;&gt;&gt; the_stresses = StressCalc([Diurnal(the_sat), NSR(the_sat)])</tt> </tt>
<a name="L134"></a><tt class="py-lineno"> 134</tt>  <tt class="py-line"><tt class="py-docstring">  &gt;&gt;&gt; Tau = the_stresses.tensor(theta=pi/4.0, phi=pi/3.0, t=10000)</tt> </tt>
<a name="L135"></a><tt class="py-lineno"> 135</tt>  <tt class="py-line"><tt class="py-docstring">  &gt;&gt;&gt; print(Tau)</tt> </tt>
<a name="L136"></a><tt class="py-lineno"> 136</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L137"></a><tt class="py-lineno"> 137</tt>  <tt class="py-line"><tt class="py-docstring">  The C{test} program included in the SatStress distribution shows a slightly</tt> </tt>
<a name="L138"></a><tt class="py-lineno"> 138</tt>  <tt class="py-line"><tt class="py-docstring">  more complex example, which should be enough to get you started using the</tt> </tt>
<a name="L139"></a><tt class="py-lineno"> 139</tt>  <tt class="py-line"><tt class="py-docstring">  package.</tt> </tt>
<a name="L140"></a><tt class="py-lineno"> 140</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L141"></a><tt class="py-lineno"> 141</tt>  <tt class="py-line"><tt class="py-docstring">3.3 Extending the Model  </tt> </tt>
<a name="L142"></a><tt class="py-lineno"> 142</tt>  <tt class="py-line"><tt class="py-docstring">-----------------------</tt> </tt>
<a name="L143"></a><tt class="py-lineno"> 143</tt>  <tt class="py-line"><tt class="py-docstring">  Other stress fields can (and hopefully will!), be added easily, so long as</tt> </tt>
<a name="L144"></a><tt class="py-lineno"> 144</tt>  <tt class="py-line"><tt class="py-docstring">  they use the same mathematical definition of the membrane stress tensor</tt> </tt>
<a name="L145"></a><tt class="py-lineno"> 145</tt>  <tt class="py-line"><tt class="py-docstring">  (S{tau}), as a function of co-latitude (S{theta}) (measured south from the</tt> </tt>
<a name="L146"></a><tt class="py-lineno"> 146</tt>  <tt class="py-line"><tt class="py-docstring">  north pole), east-positive longitude (S{phi}), measured from the meridian</tt> </tt>
<a name="L147"></a><tt class="py-lineno"> 147</tt>  <tt class="py-line"><tt class="py-docstring">  on the satellite which passes through the point on the satellite directly</tt> </tt>
<a name="L148"></a><tt class="py-lineno"> 148</tt>  <tt class="py-line"><tt class="py-docstring">  beneath the parent planet (assuming a synchronously rotating satellite),</tt> </tt>
<a name="L149"></a><tt class="py-lineno"> 149</tt>  <tt class="py-line"><tt class="py-docstring">  and time (B{M{t}}), defined as seconds elapsed since pericenter.</tt> </tt>
<a name="L150"></a><tt class="py-lineno"> 150</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L151"></a><tt class="py-lineno"> 151</tt>  <tt class="py-line"><tt class="py-docstring">  This module could also potentially be extended to also calculate the</tt> </tt>
<a name="L152"></a><tt class="py-lineno"> 152</tt>  <tt class="py-line"><tt class="py-docstring">  surface strain (S{epsilon}) and displacement (B{M{s}}) fields, or to</tt> </tt>
<a name="L153"></a><tt class="py-lineno"> 153</tt>  <tt class="py-line"><tt class="py-docstring">  calculate the stresses at any point within the satellite.</tt> </tt>
<a name="L154"></a><tt class="py-lineno"> 154</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L155"></a><tt class="py-lineno"> 155</tt>  <tt class="py-line"><tt class="py-docstring">  @group Exceptions (error handling classes): *Error</tt> </tt>
<a name="L156"></a><tt class="py-lineno"> 156</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L157"></a><tt class="py-lineno"> 157</tt>  <tt class="py-line"> </tt>
<a name="L158"></a><tt class="py-lineno"> 158</tt>  <tt class="py-line"><tt class="py-comment"># regular expressions</tt> </tt>
<a name="L159"></a><tt class="py-lineno"> 159</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">import</tt> <tt class="py-name">re</tt> </tt>
<a name="L160"></a><tt class="py-lineno"> 160</tt>  <tt class="py-line"> </tt>
<a name="L161"></a><tt class="py-lineno"> 161</tt>  <tt class="py-line"><tt class="py-comment"># required for command line parsing</tt> </tt>
<a name="L162"></a><tt class="py-lineno"> 162</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">import</tt> <tt class="py-name">sys</tt> </tt>
<a name="L163"></a><tt class="py-lineno"> 163</tt>  <tt class="py-line"> </tt>
<a name="L164"></a><tt class="py-lineno"> 164</tt>  <tt class="py-line"><tt class="py-comment"># Scientific functions... like complex exponentials</tt> </tt>
<a name="L165"></a><tt class="py-lineno"> 165</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">import</tt> <tt class="py-name">scipy</tt> </tt>
<a name="L166"></a><tt class="py-lineno"> 166</tt>  <tt class="py-line"><tt class="py-keyword">import</tt> <tt class="py-name">numpy</tt> </tt>
<a name="L167"></a><tt class="py-lineno"> 167</tt>  <tt class="py-line"> </tt>
<a name="L168"></a><tt class="py-lineno"> 168</tt>  <tt class="py-line"><tt class="py-comment"># Physical constants, like the Newton's Gravitational Constant Big G</tt> </tt>
<a name="L169"></a><tt class="py-lineno"> 169</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">import</tt> <tt class="py-name">physcon</tt> <tt class="py-keyword">as</tt> <tt class="py-name">pc</tt> </tt>
<a name="L170"></a><tt class="py-lineno"> 170</tt>  <tt class="py-line"> </tt>
<a name="L171"></a><tt class="py-lineno"> 171</tt>  <tt class="py-line"><tt class="py-comment">##############################</tt> </tt>
<a name="L172"></a><tt class="py-lineno"> 172</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#      HELPER FUNCTIONS      #</tt> </tt>
<a name="L173"></a><tt class="py-lineno"> 173</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">##############################</tt> </tt>
<a name="nvf2dict"></a><div id="nvf2dict-def"><a name="L174"></a><tt class="py-lineno"> 174</tt> <a class="py-toggle" href="#" id="nvf2dict-toggle" onclick="return toggle('nvf2dict');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress-module.html#nvf2dict">nvf2dict</a><tt class="py-op">(</tt><tt class="py-param">nvf</tt><tt class="py-op">,</tt> <tt class="py-param">comment</tt><tt class="py-op">=</tt><tt class="py-string">'#'</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="nvf2dict-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="nvf2dict-expanded"><a name="L175"></a><tt class="py-lineno"> 175</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L176"></a><tt class="py-lineno"> 176</tt>  <tt class="py-line"><tt class="py-docstring">    Reads from a file object listing name value pairs, creating and returning a</tt> </tt>
<a name="L177"></a><tt class="py-lineno"> 177</tt>  <tt class="py-line"><tt class="py-docstring">    corresponding Python dictionary.</tt> </tt>
<a name="L178"></a><tt class="py-lineno"> 178</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L179"></a><tt class="py-lineno"> 179</tt>  <tt class="py-line"><tt class="py-docstring">    The file should contain a series of name value pairs, one per line</tt> </tt>
<a name="L180"></a><tt class="py-lineno"> 180</tt>  <tt class="py-line"><tt class="py-docstring">    separated by the '=' character, with names on the left and values on the</tt> </tt>
<a name="L181"></a><tt class="py-lineno"> 181</tt>  <tt class="py-line"><tt class="py-docstring">    right.  Blank lines are ignored, as are lines beginning with the comment</tt> </tt>
<a name="L182"></a><tt class="py-lineno"> 182</tt>  <tt class="py-line"><tt class="py-docstring">    character (assumed to be the pound or hash character '#', unless otherwise</tt> </tt>
<a name="L183"></a><tt class="py-lineno"> 183</tt>  <tt class="py-line"><tt class="py-docstring">    specified).  End of line comments are also allowed.  String values should</tt> </tt>
<a name="L184"></a><tt class="py-lineno"> 184</tt>  <tt class="py-line"><tt class="py-docstring">    not be quoted in the file.  Names are case sensitive.</tt> </tt>
<a name="L185"></a><tt class="py-lineno"> 185</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L186"></a><tt class="py-lineno"> 186</tt>  <tt class="py-line"><tt class="py-docstring">    Returns a Python dictionary that uses the names as keys and the values as</tt> </tt>
<a name="L187"></a><tt class="py-lineno"> 187</tt>  <tt class="py-line"><tt class="py-docstring">    values, and so all Python limitations on what can be used as a dictionary</tt> </tt>
<a name="L188"></a><tt class="py-lineno"> 188</tt>  <tt class="py-line"><tt class="py-docstring">    key apply to the name fields.</tt> </tt>
<a name="L189"></a><tt class="py-lineno"> 189</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L190"></a><tt class="py-lineno"> 190</tt>  <tt class="py-line"><tt class="py-docstring">    Leading and trailing whitespace is stripped from all names and values, and</tt> </tt>
<a name="L191"></a><tt class="py-lineno"> 191</tt>  <tt class="py-line"><tt class="py-docstring">    all values are returned as strings.</tt> </tt>
<a name="L192"></a><tt class="py-lineno"> 192</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L193"></a><tt class="py-lineno"> 193</tt>  <tt class="py-line"><tt class="py-docstring">    @param nvf: an open file object from which to read the name value pairs</tt> </tt>
<a name="L194"></a><tt class="py-lineno"> 194</tt>  <tt class="py-line"><tt class="py-docstring">    @param comment: character which begins comments</tt> </tt>
<a name="L195"></a><tt class="py-lineno"> 195</tt>  <tt class="py-line"><tt class="py-docstring">    @type nvf: file</tt> </tt>
<a name="L196"></a><tt class="py-lineno"> 196</tt>  <tt class="py-line"><tt class="py-docstring">    @type comment: str</tt> </tt>
<a name="L197"></a><tt class="py-lineno"> 197</tt>  <tt class="py-line"><tt class="py-docstring">    @return: a dictionary containing the name value pairs read in from C{nvf}.</tt> </tt>
<a name="L198"></a><tt class="py-lineno"> 198</tt>  <tt class="py-line"><tt class="py-docstring">    @rtype: dict</tt> </tt>
<a name="L199"></a><tt class="py-lineno"> 199</tt>  <tt class="py-line"><tt class="py-docstring">    @raise NameValueFileParseError: if a non-comment input line does not</tt> </tt>
<a name="L200"></a><tt class="py-lineno"> 200</tt>  <tt class="py-line"><tt class="py-docstring">    contain an '=' character, or if a non-comment line has nothing but</tt> </tt>
<a name="L201"></a><tt class="py-lineno"> 201</tt>  <tt class="py-line"><tt class="py-docstring">    whitespace preceeding or following the '=' character.</tt> </tt>
<a name="L202"></a><tt class="py-lineno"> 202</tt>  <tt class="py-line"><tt class="py-docstring">    @raise NameValueFileDuplicateNameError: if more than one instance of the</tt> </tt>
<a name="L203"></a><tt class="py-lineno"> 203</tt>  <tt class="py-line"><tt class="py-docstring">    same name is found in the input file C{nvf}.</tt> </tt>
<a name="L204"></a><tt class="py-lineno"> 204</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L205"></a><tt class="py-lineno"> 205</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L206"></a><tt class="py-lineno"> 206</tt>  <tt class="py-line"> </tt>
<a name="L207"></a><tt class="py-lineno"> 207</tt>  <tt class="py-line">    <tt class="py-name">params</tt> <tt class="py-op">=</tt> <tt class="py-op">{</tt><tt class="py-op">}</tt> </tt>
<a name="L208"></a><tt class="py-lineno"> 208</tt>  <tt class="py-line">    <tt class="py-keyword">for</tt> <tt class="py-name">line</tt> <tt class="py-keyword">in</tt> <tt class="py-name">nvf</tt><tt class="py-op">:</tt> </tt>
<a name="L209"></a><tt class="py-lineno"> 209</tt>  <tt class="py-line"> </tt>
<a name="L210"></a><tt class="py-lineno"> 210</tt>  <tt class="py-line">        <tt class="py-name">line</tt> <tt class="py-op">=</tt> <tt class="py-name">line</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L211"></a><tt class="py-lineno"> 211</tt>  <tt class="py-line"> </tt>
<a name="L212"></a><tt class="py-lineno"> 212</tt>  <tt class="py-line">        <tt class="py-comment"># strip comments</tt> </tt>
<a name="L213"></a><tt class="py-lineno"> 213</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">line</tt> <tt class="py-op">=</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">sub</tt><tt class="py-op">(</tt><tt class="py-string">"\s*%s.*"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">comment</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-string">""</tt><tt class="py-op">,</tt> <tt class="py-name">line</tt><tt class="py-op">)</tt> </tt>
<a name="L214"></a><tt class="py-lineno"> 214</tt>  <tt class="py-line"> </tt>
<a name="L215"></a><tt class="py-lineno"> 215</tt>  <tt class="py-line">        <tt class="py-comment"># if the line is all whitespace, ignore it</tt> </tt>
<a name="L216"></a><tt class="py-lineno"> 216</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">match</tt><tt class="py-op">(</tt><tt class="py-string">"^\s*$"</tt><tt class="py-op">,</tt> <tt class="py-name">line</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L217"></a><tt class="py-lineno"> 217</tt>  <tt class="py-line">            <tt class="py-keyword">continue</tt> </tt>
<a name="L218"></a><tt class="py-lineno"> 218</tt>  <tt class="py-line"> </tt>
<a name="L219"></a><tt class="py-lineno"> 219</tt>  <tt class="py-line">        <tt class="py-comment"># if we don't have two non-space strings separated by '=', Error!</tt> </tt>
<a name="L220"></a><tt class="py-lineno"> 220</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-keyword">not</tt> <tt class="py-op">(</tt><tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">match</tt><tt class="py-op">(</tt><tt class="py-string">"[^\s]*.*=.*[^\s]"</tt><tt class="py-op">,</tt> <tt class="py-name">line</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L221"></a><tt class="py-lineno"> 221</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-0" class="py-name" targets="Class SatStress.SatStress.NameValueFileParseError=SatStress.SatStress.NameValueFileParseError-class.html"><a title="SatStress.SatStress.NameValueFileParseError" class="py-name" href="#" onclick="return doclink('link-0', 'NameValueFileParseError', 'link-0');">NameValueFileParseError</a></tt><tt class="py-op">(</tt><tt class="py-name">nvf</tt><tt class="py-op">,</tt> <tt class="py-name">line</tt><tt class="py-op">)</tt> </tt>
<a name="L222"></a><tt class="py-lineno"> 222</tt>  <tt class="py-line">        <tt class="py-comment"># split the NAME=VALUE pair into two variables if possible.</tt> </tt>
<a name="L223"></a><tt class="py-lineno"> 223</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L224"></a><tt class="py-lineno"> 224</tt>  <tt class="py-line">            <tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">,</tt><tt class="py-name">value</tt><tt class="py-op">)</tt> <tt class="py-op">=</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-string">"="</tt><tt class="py-op">,</tt><tt class="py-name">line</tt><tt class="py-op">,</tt><tt class="py-number">1</tt><tt class="py-op">)</tt> </tt>
<a name="L225"></a><tt class="py-lineno"> 225</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L226"></a><tt class="py-lineno"> 226</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-1" class="py-name"><a title="SatStress.SatStress.NameValueFileParseError" class="py-name" href="#" onclick="return doclink('link-1', 'NameValueFileParseError', 'link-0');">NameValueFileParseError</a></tt><tt class="py-op">(</tt><tt class="py-name">nvf</tt><tt class="py-op">,</tt> <tt class="py-name">line</tt><tt class="py-op">)</tt> </tt>
<a name="L227"></a><tt class="py-lineno"> 227</tt>  <tt class="py-line"> </tt>
<a name="L228"></a><tt class="py-lineno"> 228</tt>  <tt class="py-line">        <tt class="py-comment"># remove leading and trailing whitespace</tt> </tt>
<a name="L229"></a><tt class="py-lineno"> 229</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">name</tt>  <tt class="py-op">=</tt> <tt class="py-name">name</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L230"></a><tt class="py-lineno"> 230</tt>  <tt class="py-line">        <tt class="py-name">value</tt> <tt class="py-op">=</tt> <tt class="py-name">value</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L231"></a><tt class="py-lineno"> 231</tt>  <tt class="py-line"> </tt>
<a name="L232"></a><tt class="py-lineno"> 232</tt>  <tt class="py-line">        <tt class="py-comment"># If the file we're parsing has the same name specified more than once,</tt> </tt>
<a name="L233"></a><tt class="py-lineno"> 233</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># then we're going to end up clobbering the earlier value here, which</tt> </tt>
<a name="L234"></a><tt class="py-lineno"> 234</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># is probably not what we want to do.</tt> </tt>
<a name="L235"></a><tt class="py-lineno"> 235</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-name">params</tt><tt class="py-op">.</tt><tt class="py-name">has_key</tt><tt class="py-op">(</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L236"></a><tt class="py-lineno"> 236</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-2" class="py-name" targets="Class SatStress.SatStress.NameValueFileDuplicateNameError=SatStress.SatStress.NameValueFileDuplicateNameError-class.html"><a title="SatStress.SatStress.NameValueFileDuplicateNameError" class="py-name" href="#" onclick="return doclink('link-2', 'NameValueFileDuplicateNameError', 'link-2');">NameValueFileDuplicateNameError</a></tt><tt class="py-op">(</tt><tt class="py-name">nvf</tt><tt class="py-op">,</tt> <tt class="py-name">name</tt><tt class="py-op">)</tt> </tt>
<a name="L237"></a><tt class="py-lineno"> 237</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L238"></a><tt class="py-lineno"> 238</tt>  <tt class="py-line">            <tt class="py-name">params</tt><tt class="py-op">[</tt><tt class="py-name">name</tt><tt class="py-op">]</tt> <tt class="py-op">=</tt> <tt class="py-name">value</tt> </tt>
<a name="L239"></a><tt class="py-lineno"> 239</tt>  <tt class="py-line"> </tt>
<a name="L240"></a><tt class="py-lineno"> 240</tt>  <tt class="py-line">    <tt class="py-keyword">return</tt> <tt class="py-name">params</tt> </tt>
</div><a name="L241"></a><tt class="py-lineno"> 241</tt>  <tt class="py-line"><tt class="py-comment"># end nvf2dict()</tt> </tt>
<a name="L242"></a><tt class="py-lineno"> 242</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L243"></a><tt class="py-lineno"> 243</tt>  <tt class="py-line"> </tt>
<a name="L244"></a><tt class="py-lineno"> 244</tt>  <tt class="py-line"><tt class="py-comment">##############################</tt> </tt>
<a name="L245"></a><tt class="py-lineno"> 245</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">#          CLASSES           #</tt> </tt>
<a name="L246"></a><tt class="py-lineno"> 246</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment">##############################</tt> </tt>
<a name="Satellite"></a><div id="Satellite-def"><a name="L247"></a><tt class="py-lineno"> 247</tt> <a class="py-toggle" href="#" id="Satellite-toggle" onclick="return toggle('Satellite');">-</a><tt class="py-line"><tt class="py-comment"></tt><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html">Satellite</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="Satellite-expanded"><a name="L248"></a><tt class="py-lineno"> 248</tt>  <tt class="py-line">    <tt class="py-docstring">"""An object describing the physical structure and context of a satellite.</tt> </tt>
<a name="L249"></a><tt class="py-lineno"> 249</tt>  <tt class="py-line"><tt class="py-docstring">    </tt> </tt>
<a name="L250"></a><tt class="py-lineno"> 250</tt>  <tt class="py-line"><tt class="py-docstring">    Defines a satellite's material properties, internal structure, orbital</tt> </tt>
<a name="L251"></a><tt class="py-lineno"> 251</tt>  <tt class="py-line"><tt class="py-docstring">    context, and the tidal forcings to which it is subjected.</tt> </tt>
<a name="L252"></a><tt class="py-lineno"> 252</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L253"></a><tt class="py-lineno"> 253</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar sourcefile: the file object which was read in order to create</tt> </tt>
<a name="L254"></a><tt class="py-lineno"> 254</tt>  <tt class="py-line"><tt class="py-docstring">    the L{Satellite} instance.</tt> </tt>
<a name="L255"></a><tt class="py-lineno"> 255</tt>  <tt class="py-line"><tt class="py-docstring">    @type sourcefile: file</tt> </tt>
<a name="L256"></a><tt class="py-lineno"> 256</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar satParams: dictionary containing the name value pairs read in from</tt> </tt>
<a name="L257"></a><tt class="py-lineno"> 257</tt>  <tt class="py-line"><tt class="py-docstring">    the input file.</tt> </tt>
<a name="L258"></a><tt class="py-lineno"> 258</tt>  <tt class="py-line"><tt class="py-docstring">    @type satParams: dict</tt> </tt>
<a name="L259"></a><tt class="py-lineno"> 259</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar system_id: string identifying the planet/satellite system,</tt> </tt>
<a name="L260"></a><tt class="py-lineno"> 260</tt>  <tt class="py-line"><tt class="py-docstring">    corresponds to C{SYSTEM_ID} in the input file.</tt> </tt>
<a name="L261"></a><tt class="py-lineno"> 261</tt>  <tt class="py-line"><tt class="py-docstring">    @type system_id: str</tt> </tt>
<a name="L262"></a><tt class="py-lineno"> 262</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar orbit_semimajor_axis: semimajor axis of the satellite's orbit [m],</tt> </tt>
<a name="L263"></a><tt class="py-lineno"> 263</tt>  <tt class="py-line"><tt class="py-docstring">    corresponds to C{ORBIT_SEMIMAJOR_AXIS} in the input file.</tt> </tt>
<a name="L264"></a><tt class="py-lineno"> 264</tt>  <tt class="py-line"><tt class="py-docstring">    @type orbit_semimajor_axis: float</tt> </tt>
<a name="L265"></a><tt class="py-lineno"> 265</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar orbit_eccentricity: the satellite's orbital eccentricity,</tt> </tt>
<a name="L266"></a><tt class="py-lineno"> 266</tt>  <tt class="py-line"><tt class="py-docstring">    corresponds to C{ORBIT_ECCENTRICITY} in the input file.</tt> </tt>
<a name="L267"></a><tt class="py-lineno"> 267</tt>  <tt class="py-line"><tt class="py-docstring">    @type orbit_eccentricity: float</tt> </tt>
<a name="L268"></a><tt class="py-lineno"> 268</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar planet_mass: the mass of the planet the satellite orbits [kg],</tt> </tt>
<a name="L269"></a><tt class="py-lineno"> 269</tt>  <tt class="py-line"><tt class="py-docstring">    corresponds to C{PLANET_MASS} in the input file.</tt> </tt>
<a name="L270"></a><tt class="py-lineno"> 270</tt>  <tt class="py-line"><tt class="py-docstring">    @type planet_mass: float</tt> </tt>
<a name="L271"></a><tt class="py-lineno"> 271</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar nsr_period: the time it takes for the decoupled ice shell to</tt> </tt>
<a name="L272"></a><tt class="py-lineno"> 272</tt>  <tt class="py-line"><tt class="py-docstring">    complete one full rotation [s], corresponds to C{NSR_PERIOD} in the input</tt> </tt>
<a name="L273"></a><tt class="py-lineno"> 273</tt>  <tt class="py-line"><tt class="py-docstring">    file.  May also be set to infinity (inf, infinity, INF, INFINITY).</tt> </tt>
<a name="L274"></a><tt class="py-lineno"> 274</tt>  <tt class="py-line"><tt class="py-docstring">    @type nsr_period: float</tt> </tt>
<a name="L275"></a><tt class="py-lineno"> 275</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar num_layers: the number of layers making up the satellite, as</tt> </tt>
<a name="L276"></a><tt class="py-lineno"> 276</tt>  <tt class="py-line"><tt class="py-docstring">    indicated by the number of keys within the satParams dictionary contain</tt> </tt>
<a name="L277"></a><tt class="py-lineno"> 277</tt>  <tt class="py-line"><tt class="py-docstring">    the string 'LAYER_ID'.  Currently this must equal 4.</tt> </tt>
<a name="L278"></a><tt class="py-lineno"> 278</tt>  <tt class="py-line"><tt class="py-docstring">    @type num_layers: int</tt> </tt>
<a name="L279"></a><tt class="py-lineno"> 279</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar layers: a list of L{SatLayer} objects, describing the layers making</tt> </tt>
<a name="L280"></a><tt class="py-lineno"> 280</tt>  <tt class="py-line"><tt class="py-docstring">    up the satellite.  The layers are ordered from the center of the satellite</tt> </tt>
<a name="L281"></a><tt class="py-lineno"> 281</tt>  <tt class="py-line"><tt class="py-docstring">    outward, with layers[0] corresponding to the core.</tt> </tt>
<a name="L282"></a><tt class="py-lineno"> 282</tt>  <tt class="py-line"><tt class="py-docstring">    @type layers: list</tt> </tt>
<a name="L283"></a><tt class="py-lineno"> 283</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L284"></a><tt class="py-lineno"> 284</tt>  <tt class="py-line"> </tt>
<a name="Satellite.__init__"></a><div id="Satellite.__init__-def"><a name="L285"></a><tt class="py-lineno"> 285</tt> <a class="py-toggle" href="#" id="Satellite.__init__-toggle" onclick="return toggle('Satellite.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">satFile</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L286"></a><tt class="py-lineno"> 286</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L287"></a><tt class="py-lineno"> 287</tt>  <tt class="py-line"><tt class="py-docstring">        Construct a Satellite object from a satFile</tt> </tt>
<a name="L288"></a><tt class="py-lineno"> 288</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L289"></a><tt class="py-lineno"> 289</tt>  <tt class="py-line"><tt class="py-docstring">        Required input file parameters:</tt> </tt>
<a name="L290"></a><tt class="py-lineno"> 290</tt>  <tt class="py-line"><tt class="py-docstring">        ===============================</tt> </tt>
<a name="L291"></a><tt class="py-lineno"> 291</tt>  <tt class="py-line"><tt class="py-docstring">        The Satellite is initialized from a name value file (as described under</tt> </tt>
<a name="L292"></a><tt class="py-lineno"> 292</tt>  <tt class="py-line"><tt class="py-docstring">        L{nvf2dict}).  The file must define the following parameters, all of which</tt> </tt>
<a name="L293"></a><tt class="py-lineno"> 293</tt>  <tt class="py-line"><tt class="py-docstring">        are specified in SI (MKS) units.</tt> </tt>
<a name="L294"></a><tt class="py-lineno"> 294</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L295"></a><tt class="py-lineno"> 295</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{SYSTEM_ID}}:  A string identifying the planetary system, e.g.</tt> </tt>
<a name="L296"></a><tt class="py-lineno"> 296</tt>  <tt class="py-line"><tt class="py-docstring">            JupiterEuropa.</tt> </tt>
<a name="L297"></a><tt class="py-lineno"> 297</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L298"></a><tt class="py-lineno"> 298</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{PLANET_MASS}}:  The mass of the planet the satellite orbits</tt> </tt>
<a name="L299"></a><tt class="py-lineno"> 299</tt>  <tt class="py-line"><tt class="py-docstring">            [kg].</tt> </tt>
<a name="L300"></a><tt class="py-lineno"> 300</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L301"></a><tt class="py-lineno"> 301</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{ORBIT_ECCENTRICITY}}:  The eccentricity of the satellite's</tt> </tt>
<a name="L302"></a><tt class="py-lineno"> 302</tt>  <tt class="py-line"><tt class="py-docstring">            orbit.  Must not exceed 0.25.</tt> </tt>
<a name="L303"></a><tt class="py-lineno"> 303</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L304"></a><tt class="py-lineno"> 304</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{ORBIT_SEMIMAJOR_AXIS}}:  The semimajor axis of the satellite's</tt> </tt>
<a name="L305"></a><tt class="py-lineno"> 305</tt>  <tt class="py-line"><tt class="py-docstring">            orbit [m].</tt> </tt>
<a name="L306"></a><tt class="py-lineno"> 306</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L307"></a><tt class="py-lineno"> 307</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{NSR_PERIOD}}:  The time it takes for the satellite's icy shell</tt> </tt>
<a name="L308"></a><tt class="py-lineno"> 308</tt>  <tt class="py-line"><tt class="py-docstring">            to undergo one full rotation [s].  If you don't want to have any</tt> </tt>
<a name="L309"></a><tt class="py-lineno"> 309</tt>  <tt class="py-line"><tt class="py-docstring">            NSR stresses, just put INFINITY here.</tt> </tt>
<a name="L310"></a><tt class="py-lineno"> 310</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L311"></a><tt class="py-lineno"> 311</tt>  <tt class="py-line"><tt class="py-docstring">        An example satFile is included with the SatStress package::</tt> </tt>
<a name="L312"></a><tt class="py-lineno"> 312</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L313"></a><tt class="py-lineno"> 313</tt>  <tt class="py-line"><tt class="py-docstring">            SatStress-X.Y.Z/input/Europa.satellite</tt> </tt>
<a name="L314"></a><tt class="py-lineno"> 314</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L315"></a><tt class="py-lineno"> 315</tt>  <tt class="py-line"><tt class="py-docstring">        Where X.Y.Z refers to the version numbers.</tt> </tt>
<a name="L316"></a><tt class="py-lineno"> 316</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L317"></a><tt class="py-lineno"> 317</tt>  <tt class="py-line"><tt class="py-docstring">        @param satFile: Open file object containing name value pairs specifying</tt> </tt>
<a name="L318"></a><tt class="py-lineno"> 318</tt>  <tt class="py-line"><tt class="py-docstring">        the satellite's internal structure and orbital context, and the tidal</tt> </tt>
<a name="L319"></a><tt class="py-lineno"> 319</tt>  <tt class="py-line"><tt class="py-docstring">        forcings to which the satellite is subjected.</tt> </tt>
<a name="L320"></a><tt class="py-lineno"> 320</tt>  <tt class="py-line"><tt class="py-docstring">        @type satFile: file</tt> </tt>
<a name="L321"></a><tt class="py-lineno"> 321</tt>  <tt class="py-line"><tt class="py-docstring">        @return: a Satellite object corresponding to the proffered input file.</tt> </tt>
<a name="L322"></a><tt class="py-lineno"> 322</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{Satellite}</tt> </tt>
<a name="L323"></a><tt class="py-lineno"> 323</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L324"></a><tt class="py-lineno"> 324</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NameValueFileError: if parsing of the input file fails.</tt> </tt>
<a name="L325"></a><tt class="py-lineno"> 325</tt>  <tt class="py-line"><tt class="py-docstring">        @raise MissingSatelliteParamError: if a required input field is not</tt> </tt>
<a name="L326"></a><tt class="py-lineno"> 326</tt>  <tt class="py-line"><tt class="py-docstring">        found within the input file.</tt> </tt>
<a name="L327"></a><tt class="py-lineno"> 327</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NonNumberSatelliteParamError: if a required input which is of</tt> </tt>
<a name="L328"></a><tt class="py-lineno"> 328</tt>  <tt class="py-line"><tt class="py-docstring">        a numeric type is found within the file, but its value is not</tt> </tt>
<a name="L329"></a><tt class="py-lineno"> 329</tt>  <tt class="py-line"><tt class="py-docstring">        convertable to a float.</tt> </tt>
<a name="L330"></a><tt class="py-lineno"> 330</tt>  <tt class="py-line"><tt class="py-docstring">        @raise LoveLayerNumberError: if the number of layers specified is not</tt> </tt>
<a name="L331"></a><tt class="py-lineno"> 331</tt>  <tt class="py-line"><tt class="py-docstring">        exactly 4.</tt> </tt>
<a name="L332"></a><tt class="py-lineno"> 332</tt>  <tt class="py-line"><tt class="py-docstring">        @raise GravitationallyUnstableSatelliteError: if the layers are found not</tt> </tt>
<a name="L333"></a><tt class="py-lineno"> 333</tt>  <tt class="py-line"><tt class="py-docstring">        to decrease in density from the core to the surface.</tt> </tt>
<a name="L334"></a><tt class="py-lineno"> 334</tt>  <tt class="py-line"><tt class="py-docstring">        @raise ExcessiveSatelliteMassError: if the mass of the satellite's parent</tt> </tt>
<a name="L335"></a><tt class="py-lineno"> 335</tt>  <tt class="py-line"><tt class="py-docstring">        planet is not at least 10 times larger than the mass of the satellite.</tt> </tt>
<a name="L336"></a><tt class="py-lineno"> 336</tt>  <tt class="py-line"><tt class="py-docstring">        @raise LargeEccentricityError: if the satellite's orbital eccentricity is</tt> </tt>
<a name="L337"></a><tt class="py-lineno"> 337</tt>  <tt class="py-line"><tt class="py-docstring">        greater than 0.25</tt> </tt>
<a name="L338"></a><tt class="py-lineno"> 338</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NegativeNSRPeriodError: if the NSR period of the satellite is less</tt> </tt>
<a name="L339"></a><tt class="py-lineno"> 339</tt>  <tt class="py-line"><tt class="py-docstring">        than zero.</tt> </tt>
<a name="L340"></a><tt class="py-lineno"> 340</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L341"></a><tt class="py-lineno"> 341</tt>  <tt class="py-line"> </tt>
<a name="L342"></a><tt class="py-lineno"> 342</tt>  <tt class="py-line">        <tt class="py-comment"># Make a note of the input file defining this satellite:</tt> </tt>
<a name="L343"></a><tt class="py-lineno"> 343</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt> <tt class="py-op">=</tt> <tt class="py-name">satFile</tt> </tt>
<a name="L344"></a><tt class="py-lineno"> 344</tt>  <tt class="py-line"> </tt>
<a name="L345"></a><tt class="py-lineno"> 345</tt>  <tt class="py-line">        <tt class="py-comment"># Slurp the proffered parameters into a dictionary:</tt> </tt>
<a name="L346"></a><tt class="py-lineno"> 346</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L347"></a><tt class="py-lineno"> 347</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt> <tt class="py-op">=</tt> <tt id="link-3" class="py-name" targets="Function SatStress.SatStress.nvf2dict()=SatStress.SatStress-module.html#nvf2dict"><a title="SatStress.SatStress.nvf2dict" class="py-name" href="#" onclick="return doclink('link-3', 'nvf2dict', 'link-3');">nvf2dict</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">,</tt> <tt class="py-name">comment</tt><tt class="py-op">=</tt><tt class="py-string">'#'</tt><tt class="py-op">)</tt> </tt>
<a name="L348"></a><tt class="py-lineno"> 348</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt id="link-4" class="py-name" targets="Class SatStress.SatStress.NameValueFileError=SatStress.SatStress.NameValueFileError-class.html"><a title="SatStress.SatStress.NameValueFileError" class="py-name" href="#" onclick="return doclink('link-4', 'NameValueFileError', 'link-4');">NameValueFileError</a></tt><tt class="py-op">:</tt> </tt>
<a name="L349"></a><tt class="py-lineno"> 349</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> </tt>
<a name="L350"></a><tt class="py-lineno"> 350</tt>  <tt class="py-line"> </tt>
<a name="L351"></a><tt class="py-lineno"> 351</tt>  <tt class="py-line">        <tt class="py-comment"># Try to assign our data members to the values we read in from</tt> </tt>
<a name="L352"></a><tt class="py-lineno"> 352</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># the file.  If we didn't get all the values we need, raise an</tt> </tt>
<a name="L353"></a><tt class="py-lineno"> 353</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># exception saying so.</tt> </tt>
<a name="L354"></a><tt class="py-lineno"> 354</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L355"></a><tt class="py-lineno"> 355</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L356"></a><tt class="py-lineno"> 356</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">system_id</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'SYSTEM_ID'</tt><tt class="py-op">]</tt> </tt>
<a name="L357"></a><tt class="py-lineno"> 357</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L358"></a><tt class="py-lineno"> 358</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-5" class="py-name" targets="Class SatStress.SatStress.MissingSatelliteParamError=SatStress.SatStress.MissingSatelliteParamError-class.html"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-5', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'SYSTEM_ID'</tt><tt class="py-op">)</tt> </tt>
<a name="L359"></a><tt class="py-lineno"> 359</tt>  <tt class="py-line"> </tt>
<a name="L360"></a><tt class="py-lineno"> 360</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L361"></a><tt class="py-lineno"> 361</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_semimajor_axis</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'ORBIT_SEMIMAJOR_AXIS'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L362"></a><tt class="py-lineno"> 362</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L363"></a><tt class="py-lineno"> 363</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-6" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-6', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'ORBIT_SEMIMAJOR_AXIS'</tt><tt class="py-op">)</tt> </tt>
<a name="L364"></a><tt class="py-lineno"> 364</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L365"></a><tt class="py-lineno"> 365</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-7" class="py-name" targets="Class SatStress.SatStress.NonNumberSatelliteParamError=SatStress.SatStress.NonNumberSatelliteParamError-class.html"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-7', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'ORBIT_SEMIMAJOR_AXIS'</tt><tt class="py-op">)</tt> </tt>
<a name="L366"></a><tt class="py-lineno"> 366</tt>  <tt class="py-line"> </tt>
<a name="L367"></a><tt class="py-lineno"> 367</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L368"></a><tt class="py-lineno"> 368</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'ORBIT_ECCENTRICITY'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L369"></a><tt class="py-lineno"> 369</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L370"></a><tt class="py-lineno"> 370</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-8" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-8', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'ORBIT_ECCENTRICITY'</tt><tt class="py-op">)</tt> </tt>
<a name="L371"></a><tt class="py-lineno"> 371</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L372"></a><tt class="py-lineno"> 372</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-9" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-9', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'ORBIT_SEMIMAJOR_AXIS'</tt><tt class="py-op">)</tt> </tt>
<a name="L373"></a><tt class="py-lineno"> 373</tt>  <tt class="py-line"> </tt>
<a name="L374"></a><tt class="py-lineno"> 374</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L375"></a><tt class="py-lineno"> 375</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'PLANET_MASS'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L376"></a><tt class="py-lineno"> 376</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L377"></a><tt class="py-lineno"> 377</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-10" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-10', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'PLANET_MASS'</tt><tt class="py-op">)</tt> </tt>
<a name="L378"></a><tt class="py-lineno"> 378</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L379"></a><tt class="py-lineno"> 379</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-11" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-11', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'PLANET_MASS'</tt><tt class="py-op">)</tt> </tt>
<a name="L380"></a><tt class="py-lineno"> 380</tt>  <tt class="py-line"> </tt>
<a name="L381"></a><tt class="py-lineno"> 381</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L382"></a><tt class="py-lineno"> 382</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'NSR_PERIOD'</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L383"></a><tt class="py-lineno"> 383</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L384"></a><tt class="py-lineno"> 384</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-12" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-12', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'NSR_PERIOD'</tt><tt class="py-op">)</tt> </tt>
<a name="L385"></a><tt class="py-lineno"> 385</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L386"></a><tt class="py-lineno"> 386</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-13" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-13', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-string">'NSR_PERIOD'</tt><tt class="py-op">)</tt> </tt>
<a name="L387"></a><tt class="py-lineno"> 387</tt>  <tt class="py-line"> </tt>
<a name="L388"></a><tt class="py-lineno"> 388</tt>  <tt class="py-line">        <tt class="py-comment"># Figure out how many layers are listed in the input file, and give the</tt> </tt>
<a name="L389"></a><tt class="py-lineno"> 389</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># user an error if it's not exactly 4 (the current Love number code can</tt> </tt>
<a name="L390"></a><tt class="py-lineno"> 390</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># only deal with 4):</tt> </tt>
<a name="L391"></a><tt class="py-lineno"> 391</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L392"></a><tt class="py-lineno"> 392</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">key</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">.</tt><tt class="py-name">keys</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L393"></a><tt class="py-lineno"> 393</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">re</tt><tt class="py-op">.</tt><tt class="py-name">match</tt><tt class="py-op">(</tt><tt class="py-string">'LAYER_ID'</tt><tt class="py-op">,</tt> <tt class="py-name">key</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L394"></a><tt class="py-lineno"> 394</tt>  <tt class="py-line">         </tt>
<a name="L395"></a><tt class="py-lineno"> 395</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt> <tt class="py-op">!=</tt> <tt class="py-number">4</tt><tt class="py-op">:</tt> </tt>
<a name="L396"></a><tt class="py-lineno"> 396</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-14" class="py-name" targets="Class SatStress.SatStress.LoveLayerNumberError=SatStress.SatStress.LoveLayerNumberError-class.html"><a title="SatStress.SatStress.LoveLayerNumberError" class="py-name" href="#" onclick="return doclink('link-14', 'LoveLayerNumberError', 'link-14');">LoveLayerNumberError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">)</tt> </tt>
<a name="L397"></a><tt class="py-lineno"> 397</tt>  <tt class="py-line"> </tt>
<a name="L398"></a><tt class="py-lineno"> 398</tt>  <tt class="py-line">        <tt class="py-comment"># construct the layer objects:</tt> </tt>
<a name="L399"></a><tt class="py-lineno"> 399</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt> <tt class="py-op">=</tt> <tt class="py-op">[</tt><tt class="py-op">]</tt> </tt>
<a name="L400"></a><tt class="py-lineno"> 400</tt>  <tt class="py-line">        <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L401"></a><tt class="py-lineno"> 401</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-op">(</tt><tt class="py-name">n</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L402"></a><tt class="py-lineno"> 402</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">.</tt><tt class="py-name">append</tt><tt class="py-op">(</tt><tt id="link-15" class="py-name" targets="Class SatStress.SatStress.SatLayer=SatStress.SatStress.SatLayer-class.html"><a title="SatStress.SatStress.SatLayer" class="py-name" href="#" onclick="return doclink('link-15', 'SatLayer', 'link-15');">SatLayer</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt><tt class="py-name">layer_n</tt><tt class="py-op">=</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L403"></a><tt class="py-lineno"> 403</tt>  <tt class="py-line"> </tt>
<a name="L404"></a><tt class="py-lineno"> 404</tt>  <tt class="py-line">            <tt class="py-comment"># Verify that layers increase in density toward the center of the</tt> </tt>
<a name="L405"></a><tt class="py-lineno"> 405</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># satellite.  If they don't the satellite will be gravitationally</tt> </tt>
<a name="L406"></a><tt class="py-lineno"> 406</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># unstable, and the Love number code will blow up:</tt> </tt>
<a name="L407"></a><tt class="py-lineno"> 407</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">n</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L408"></a><tt class="py-lineno"> 408</tt>  <tt class="py-line">                <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-16" class="py-name" targets="Method SatStress.SatStress.Satellite.density()=SatStress.SatStress.Satellite-class.html#density"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-16', 'density', 'link-16');">density</a></tt> <tt class="py-op">&gt;</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-17" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-17', 'density', 'link-16');">density</a></tt><tt class="py-op">)</tt><tt class="py-op">:</tt>  </tt>
<a name="L409"></a><tt class="py-lineno"> 409</tt>  <tt class="py-line">                    <tt class="py-keyword">raise</tt> <tt id="link-18" class="py-name" targets="Class SatStress.SatStress.GravitationallyUnstableSatelliteError=SatStress.SatStress.GravitationallyUnstableSatelliteError-class.html"><a title="SatStress.SatStress.GravitationallyUnstableSatelliteError" class="py-name" href="#" onclick="return doclink('link-18', 'GravitationallyUnstableSatelliteError', 'link-18');">GravitationallyUnstableSatelliteError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-name">n</tt><tt class="py-op">)</tt> </tt>
<a name="L410"></a><tt class="py-lineno"> 410</tt>  <tt class="py-line">                     </tt>
<a name="L411"></a><tt class="py-lineno"> 411</tt>  <tt class="py-line">            <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-name">n</tt><tt class="py-op">+</tt><tt class="py-number">1</tt> </tt>
<a name="L412"></a><tt class="py-lineno"> 412</tt>  <tt class="py-line"> </tt>
<a name="L413"></a><tt class="py-lineno"> 413</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">10</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-19" class="py-name" targets="Method SatStress.SatStress.Satellite.mass()=SatStress.SatStress.Satellite-class.html#mass"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-19', 'mass', 'link-19');">mass</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L414"></a><tt class="py-lineno"> 414</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-20" class="py-name" targets="Class SatStress.SatStress.ExcessiveSatelliteMassError=SatStress.SatStress.ExcessiveSatelliteMassError-class.html"><a title="SatStress.SatStress.ExcessiveSatelliteMassError" class="py-name" href="#" onclick="return doclink('link-20', 'ExcessiveSatelliteMassError', 'link-20');">ExcessiveSatelliteMassError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">)</tt> </tt>
<a name="L415"></a><tt class="py-lineno"> 415</tt>  <tt class="py-line"> </tt>
<a name="L416"></a><tt class="py-lineno"> 416</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0.25</tt><tt class="py-op">:</tt> </tt>
<a name="L417"></a><tt class="py-lineno"> 417</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-21" class="py-name" targets="Class SatStress.SatStress.LargeEccentricityError=SatStress.SatStress.LargeEccentricityError-class.html"><a title="SatStress.SatStress.LargeEccentricityError" class="py-name" href="#" onclick="return doclink('link-21', 'LargeEccentricityError', 'link-21');">LargeEccentricityError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">)</tt> </tt>
<a name="L418"></a><tt class="py-lineno"> 418</tt>  <tt class="py-line"> </tt>
<a name="L419"></a><tt class="py-lineno"> 419</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L420"></a><tt class="py-lineno"> 420</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-22" class="py-name" targets="Class SatStress.SatStress.NegativeNSRPeriodError=SatStress.SatStress.NegativeNSRPeriodError-class.html"><a title="SatStress.SatStress.NegativeNSRPeriodError" class="py-name" href="#" onclick="return doclink('link-22', 'NegativeNSRPeriodError', 'link-22');">NegativeNSRPeriodError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">)</tt> </tt>
</div><a name="L421"></a><tt class="py-lineno"> 421</tt>  <tt class="py-line"> </tt>
<a name="L422"></a><tt class="py-lineno"> 422</tt>  <tt class="py-line">    <tt class="py-comment"># end __init__</tt> </tt>
<a name="L423"></a><tt class="py-lineno"> 423</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L424"></a><tt class="py-lineno"> 424</tt>  <tt class="py-line">    <tt class="py-comment"># Methods defining derived quantities: </tt> </tt>
<a name="Satellite.mass"></a><div id="Satellite.mass-def"><a name="L425"></a><tt class="py-lineno"> 425</tt> <a class="py-toggle" href="#" id="Satellite.mass-toggle" onclick="return toggle('Satellite.mass');">-</a><tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#mass">mass</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.mass-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.mass-expanded"><a name="L426"></a><tt class="py-lineno"> 426</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the mass of the satellite. (the sum of the layer masses)"""</tt> </tt>
<a name="L427"></a><tt class="py-lineno"> 427</tt>  <tt class="py-line">        <tt id="link-23" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-23', 'mass', 'link-19');">mass</a></tt>   <tt class="py-op">=</tt> <tt class="py-number">0.0</tt> </tt>
<a name="L428"></a><tt class="py-lineno"> 428</tt>  <tt class="py-line">        <tt id="link-24" class="py-name" targets="Method SatStress.SatStress.Satellite.radius()=SatStress.SatStress.Satellite-class.html#radius"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-24', 'radius', 'link-24');">radius</a></tt> <tt class="py-op">=</tt> <tt class="py-number">0.0</tt> </tt>
<a name="L429"></a><tt class="py-lineno"> 429</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">layer</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">:</tt> </tt>
<a name="L430"></a><tt class="py-lineno"> 430</tt>  <tt class="py-line">            <tt id="link-25" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-25', 'mass', 'link-19');">mass</a></tt> <tt class="py-op">+=</tt> <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-number">4.0</tt><tt class="py-op">/</tt><tt class="py-number">3.0</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt id="link-26" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-26', 'radius', 'link-24');">radius</a></tt><tt class="py-op">+</tt><tt class="py-name">layer</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt><tt class="py-op">)</tt><tt class="py-op">**</tt><tt class="py-number">3</tt> <tt class="py-op">-</tt> <tt class="py-op">(</tt><tt id="link-27" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-27', 'radius', 'link-24');">radius</a></tt><tt class="py-op">**</tt><tt class="py-number">3</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">layer</tt><tt class="py-op">.</tt><tt id="link-28" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-28', 'density', 'link-16');">density</a></tt> </tt>
<a name="L431"></a><tt class="py-lineno"> 431</tt>  <tt class="py-line">            <tt id="link-29" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-29', 'radius', 'link-24');">radius</a></tt> <tt class="py-op">+=</tt> <tt class="py-name">layer</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt> </tt>
<a name="L432"></a><tt class="py-lineno"> 432</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt id="link-30" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-30', 'mass', 'link-19');">mass</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L433"></a><tt class="py-lineno"> 433</tt>  <tt class="py-line"> </tt>
<a name="Satellite.radius"></a><div id="Satellite.radius-def"><a name="L434"></a><tt class="py-lineno"> 434</tt> <a class="py-toggle" href="#" id="Satellite.radius-toggle" onclick="return toggle('Satellite.radius');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#radius">radius</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.radius-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.radius-expanded"><a name="L435"></a><tt class="py-lineno"> 435</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the radius of the satellite (the sum of the layer thicknesses)."""</tt> </tt>
<a name="L436"></a><tt class="py-lineno"> 436</tt>  <tt class="py-line">        <tt id="link-31" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-31', 'radius', 'link-24');">radius</a></tt> <tt class="py-op">=</tt> <tt class="py-number">0.0</tt> </tt>
<a name="L437"></a><tt class="py-lineno"> 437</tt>  <tt class="py-line">        <tt class="py-keyword">for</tt> <tt class="py-name">layer</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">:</tt> </tt>
<a name="L438"></a><tt class="py-lineno"> 438</tt>  <tt class="py-line">            <tt id="link-32" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-32', 'radius', 'link-24');">radius</a></tt> <tt class="py-op">+=</tt> <tt class="py-name">layer</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt> </tt>
<a name="L439"></a><tt class="py-lineno"> 439</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt id="link-33" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-33', 'radius', 'link-24');">radius</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L440"></a><tt class="py-lineno"> 440</tt>  <tt class="py-line"> </tt>
<a name="Satellite.density"></a><div id="Satellite.density-def"><a name="L441"></a><tt class="py-lineno"> 441</tt> <a class="py-toggle" href="#" id="Satellite.density-toggle" onclick="return toggle('Satellite.density');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#density">density</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.density-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.density-expanded"><a name="L442"></a><tt class="py-lineno"> 442</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the mean density of the satellite in [kg m^-3]."""</tt> </tt>
<a name="L443"></a><tt class="py-lineno"> 443</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-34" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-34', 'mass', 'link-19');">mass</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-number">4.0</tt><tt class="py-op">/</tt><tt class="py-number">3.0</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-35" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-35', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">**</tt><tt class="py-number">3</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L444"></a><tt class="py-lineno"> 444</tt>  <tt class="py-line"> </tt>
<a name="Satellite.surface_gravity"></a><div id="Satellite.surface_gravity-def"><a name="L445"></a><tt class="py-lineno"> 445</tt> <a class="py-toggle" href="#" id="Satellite.surface_gravity-toggle" onclick="return toggle('Satellite.surface_gravity');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#surface_gravity">surface_gravity</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.surface_gravity-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.surface_gravity-expanded"><a name="L446"></a><tt class="py-lineno"> 446</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the satellite's surface gravitational acceleration in [m s^-2]."""</tt> </tt>
<a name="L447"></a><tt class="py-lineno"> 447</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">pc</tt><tt class="py-op">.</tt><tt class="py-name">G</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-36" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-36', 'mass', 'link-19');">mass</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-37" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-37', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">**</tt><tt class="py-number">2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L448"></a><tt class="py-lineno"> 448</tt>  <tt class="py-line"> </tt>
<a name="Satellite.orbit_period"></a><div id="Satellite.orbit_period-def"><a name="L449"></a><tt class="py-lineno"> 449</tt> <a class="py-toggle" href="#" id="Satellite.orbit_period-toggle" onclick="return toggle('Satellite.orbit_period');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#orbit_period">orbit_period</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.orbit_period-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.orbit_period-expanded"><a name="L450"></a><tt class="py-lineno"> 450</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the satellite's Keplerian orbital period in seconds."""</tt> </tt>
<a name="L451"></a><tt class="py-lineno"> 451</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">sqrt</tt><tt class="py-op">(</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_semimajor_axis</tt><tt class="py-op">**</tt><tt class="py-number">3</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-name">pc</tt><tt class="py-op">.</tt><tt class="py-name">G</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L452"></a><tt class="py-lineno"> 452</tt>  <tt class="py-line"> </tt>
<a name="Satellite.mean_motion"></a><div id="Satellite.mean_motion-def"><a name="L453"></a><tt class="py-lineno"> 453</tt> <a class="py-toggle" href="#" id="Satellite.mean_motion-toggle" onclick="return toggle('Satellite.mean_motion');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#mean_motion">mean_motion</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Satellite.mean_motion-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Satellite.mean_motion-expanded"><a name="L454"></a><tt class="py-lineno"> 454</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the orbital mean motion of the satellite [rad s^-1]."""</tt> </tt>
<a name="L455"></a><tt class="py-lineno"> 455</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-38" class="py-name" targets="Method SatStress.SatStress.Satellite.orbit_period()=SatStress.SatStress.Satellite-class.html#orbit_period"><a title="SatStress.SatStress.Satellite.orbit_period" class="py-name" href="#" onclick="return doclink('link-38', 'orbit_period', 'link-38');">orbit_period</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L456"></a><tt class="py-lineno"> 456</tt>  <tt class="py-line"> </tt>
<a name="L457"></a><tt class="py-lineno"> 457</tt>  <tt class="py-line">    <tt class="py-comment">#  end derived quantities</tt> </tt>
<a name="L458"></a><tt class="py-lineno"> 458</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="Satellite.__str__"></a><div id="Satellite.__str__-def"><a name="L459"></a><tt class="py-lineno"> 459</tt> <a class="py-toggle" href="#" id="Satellite.__str__-toggle" onclick="return toggle('Satellite.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Satellite-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L460"></a><tt class="py-lineno"> 460</tt>  <tt class="py-line">        <tt class="py-docstring">"""Output a satellite definition file equivalent to the object."""</tt> </tt>
<a name="L461"></a><tt class="py-lineno"> 461</tt>  <tt class="py-line"> </tt>
<a name="L462"></a><tt class="py-lineno"> 462</tt>  <tt class="py-line">        <tt class="py-name">myStr</tt> <tt class="py-op">=</tt> <tt class="py-string">"""#</tt> </tt>
<a name="L463"></a><tt class="py-lineno"> 463</tt>  <tt class="py-line"><tt class="py-string"># Satellite system definition file for use with the Python SatStress package.</tt> </tt>
<a name="L464"></a><tt class="py-lineno"> 464</tt>  <tt class="py-line"><tt class="py-string"># All quantities are in SI (meters, kilograms, seconds) units.  For more</tt> </tt>
<a name="L465"></a><tt class="py-lineno"> 465</tt>  <tt class="py-line"><tt class="py-string"># information, see:</tt> </tt>
<a name="L466"></a><tt class="py-lineno"> 466</tt>  <tt class="py-line"><tt class="py-string">#</tt> </tt>
<a name="L467"></a><tt class="py-lineno"> 467</tt>  <tt class="py-line"><tt class="py-string"># http://code.google.com/p/satstress</tt> </tt>
<a name="L468"></a><tt class="py-lineno"> 468</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L469"></a><tt class="py-lineno"> 469</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L470"></a><tt class="py-lineno"> 470</tt>  <tt class="py-line"><tt class="py-string"># Basic Satellite parameters:</tt> </tt>
<a name="L471"></a><tt class="py-lineno"> 471</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L472"></a><tt class="py-lineno"> 472</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L473"></a><tt class="py-lineno"> 473</tt>  <tt class="py-line"><tt class="py-string"># Satellite system name</tt> </tt>
<a name="L474"></a><tt class="py-lineno"> 474</tt>  <tt class="py-line"><tt class="py-string">SYSTEM_ID = %s</tt> </tt>
<a name="L475"></a><tt class="py-lineno"> 475</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L476"></a><tt class="py-lineno"> 476</tt>  <tt class="py-line"><tt class="py-string"># System orbital parameters:</tt> </tt>
<a name="L477"></a><tt class="py-lineno"> 477</tt>  <tt class="py-line"><tt class="py-string">PLANET_MASS          = %g</tt> </tt>
<a name="L478"></a><tt class="py-lineno"> 478</tt>  <tt class="py-line"><tt class="py-string">ORBIT_ECCENTRICITY   = %g</tt> </tt>
<a name="L479"></a><tt class="py-lineno"> 479</tt>  <tt class="py-line"><tt class="py-string">ORBIT_SEMIMAJOR_AXIS = %g</tt> </tt>
<a name="L480"></a><tt class="py-lineno"> 480</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L481"></a><tt class="py-lineno"> 481</tt>  <tt class="py-line"><tt class="py-string"># Additional parameters required to calculate Love numbers:</tt> </tt>
<a name="L482"></a><tt class="py-lineno"> 482</tt>  <tt class="py-line"><tt class="py-string">NSR_PERIOD = %g # seconds (== %g yr)</tt> </tt>
<a name="L483"></a><tt class="py-lineno"> 483</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L484"></a><tt class="py-lineno"> 484</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L485"></a><tt class="py-lineno"> 485</tt>  <tt class="py-line"><tt class="py-string"># Derived properties of the Satellite:</tt> </tt>
<a name="L486"></a><tt class="py-lineno"> 486</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L487"></a><tt class="py-lineno"> 487</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L488"></a><tt class="py-lineno"> 488</tt>  <tt class="py-line"><tt class="py-string"># RADIUS          = %g</tt> </tt>
<a name="L489"></a><tt class="py-lineno"> 489</tt>  <tt class="py-line"><tt class="py-string"># MASS            = %g</tt> </tt>
<a name="L490"></a><tt class="py-lineno"> 490</tt>  <tt class="py-line"><tt class="py-string"># DENSITY         = %g</tt> </tt>
<a name="L491"></a><tt class="py-lineno"> 491</tt>  <tt class="py-line"><tt class="py-string"># SURFACE_GRAVITY = %g</tt> </tt>
<a name="L492"></a><tt class="py-lineno"> 492</tt>  <tt class="py-line"><tt class="py-string"># ORBIT_PERIOD    = %g</tt> </tt>
<a name="L493"></a><tt class="py-lineno"> 493</tt>  <tt class="py-line"><tt class="py-string"># MEAN_MOTION     = %g</tt> </tt>
<a name="L494"></a><tt class="py-lineno"> 494</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">system_id</tt><tt class="py-op">,</tt>\ </tt>
<a name="L495"></a><tt class="py-lineno"> 495</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt><tt class="py-op">,</tt>\ </tt>
<a name="L496"></a><tt class="py-lineno"> 496</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt><tt class="py-op">,</tt>\ </tt>
<a name="L497"></a><tt class="py-lineno"> 497</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">orbit_semimajor_axis</tt><tt class="py-op">,</tt>\ </tt>
<a name="L498"></a><tt class="py-lineno"> 498</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt><tt class="py-op">,</tt>\ </tt>
<a name="L499"></a><tt class="py-lineno"> 499</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">31556926</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L500"></a><tt class="py-lineno"> 500</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-39" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-39', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L501"></a><tt class="py-lineno"> 501</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-40" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-40', 'mass', 'link-19');">mass</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L502"></a><tt class="py-lineno"> 502</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-41" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-41', 'density', 'link-16');">density</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L503"></a><tt class="py-lineno"> 503</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-42" class="py-name" targets="Method SatStress.SatStress.Satellite.surface_gravity()=SatStress.SatStress.Satellite-class.html#surface_gravity"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-42', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L504"></a><tt class="py-lineno"> 504</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-43" class="py-name"><a title="SatStress.SatStress.Satellite.orbit_period" class="py-name" href="#" onclick="return doclink('link-43', 'orbit_period', 'link-38');">orbit_period</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L505"></a><tt class="py-lineno"> 505</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-44" class="py-name" targets="Method SatStress.SatStress.Satellite.mean_motion()=SatStress.SatStress.Satellite-class.html#mean_motion"><a title="SatStress.SatStress.Satellite.mean_motion" class="py-name" href="#" onclick="return doclink('link-44', 'mean_motion', 'link-44');">mean_motion</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L506"></a><tt class="py-lineno"> 506</tt>  <tt class="py-line"> </tt>
<a name="L507"></a><tt class="py-lineno"> 507</tt>  <tt class="py-line">        <tt class="py-name">myStr</tt> <tt class="py-op">+=</tt> <tt class="py-string">"""</tt> </tt>
<a name="L508"></a><tt class="py-lineno"> 508</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L509"></a><tt class="py-lineno"> 509</tt>  <tt class="py-line"><tt class="py-string"># Layering structure of the Satellite:</tt> </tt>
<a name="L510"></a><tt class="py-lineno"> 510</tt>  <tt class="py-line"><tt class="py-string">############################################################</tt> </tt>
<a name="L511"></a><tt class="py-lineno"> 511</tt>  <tt class="py-line"><tt class="py-string">"""</tt> </tt>
<a name="L512"></a><tt class="py-lineno"> 512</tt>  <tt class="py-line">        <tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-number">0</tt> </tt>
<a name="L513"></a><tt class="py-lineno"> 513</tt>  <tt class="py-line">        <tt class="py-keyword">while</tt> <tt class="py-op">(</tt><tt class="py-name">n</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L514"></a><tt class="py-lineno"> 514</tt>  <tt class="py-line">            <tt class="py-name">myStr</tt> <tt class="py-op">+=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-45" class="py-name" targets="Method SatStress.SatStress.SatLayer.ordered_str()=SatStress.SatStress.SatLayer-class.html#ordered_str"><a title="SatStress.SatStress.SatLayer.ordered_str" class="py-name" href="#" onclick="return doclink('link-45', 'ordered_str', 'link-45');">ordered_str</a></tt><tt class="py-op">(</tt><tt class="py-name">n</tt><tt class="py-op">)</tt> </tt>
<a name="L515"></a><tt class="py-lineno"> 515</tt>  <tt class="py-line">            <tt class="py-name">n</tt> <tt class="py-op">+=</tt> <tt class="py-number">1</tt> </tt>
<a name="L516"></a><tt class="py-lineno"> 516</tt>  <tt class="py-line"> </tt>
<a name="L517"></a><tt class="py-lineno"> 517</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">myStr</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L518"></a><tt class="py-lineno"> 518</tt>  <tt class="py-line">    <tt class="py-comment"># end __str__</tt> </tt>
<a name="L519"></a><tt class="py-lineno"> 519</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># end class Satellite</tt> </tt>
<a name="L520"></a><tt class="py-lineno"> 520</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="SatLayer"></a><div id="SatLayer-def"><a name="L521"></a><tt class="py-lineno"> 521</tt> <a class="py-toggle" href="#" id="SatLayer-toggle" onclick="return toggle('SatLayer');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html">SatLayer</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L522"></a><tt class="py-lineno"> 522</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L523"></a><tt class="py-lineno"> 523</tt>  <tt class="py-line"><tt class="py-docstring">    An object describing a uniform material layer within a satellite.</tt> </tt>
<a name="L524"></a><tt class="py-lineno"> 524</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L525"></a><tt class="py-lineno"> 525</tt>  <tt class="py-line"><tt class="py-docstring">    Note that a layer by itself has no knowledge of where within the satellite</tt> </tt>
<a name="L526"></a><tt class="py-lineno"> 526</tt>  <tt class="py-line"><tt class="py-docstring">    it resides.  That information is contained in the ordering of the list of</tt> </tt>
<a name="L527"></a><tt class="py-lineno"> 527</tt>  <tt class="py-line"><tt class="py-docstring">    layers within the satellite object.</tt> </tt>
<a name="L528"></a><tt class="py-lineno"> 528</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L529"></a><tt class="py-lineno"> 529</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar layer_id: a string identifying the layer, e.g. C{CORE}, or C{ICE_LOWER}</tt> </tt>
<a name="L530"></a><tt class="py-lineno"> 530</tt>  <tt class="py-line"><tt class="py-docstring">    @type layer_id: str</tt> </tt>
<a name="L531"></a><tt class="py-lineno"> 531</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar density: the density of the layer, at zero pressure [kg m^-3],</tt> </tt>
<a name="L532"></a><tt class="py-lineno"> 532</tt>  <tt class="py-line"><tt class="py-docstring">    @type density: float</tt> </tt>
<a name="L533"></a><tt class="py-lineno"> 533</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar lame_mu: the layer's Lame parameter, S{mu} (the shear modulus) [Pa].</tt> </tt>
<a name="L534"></a><tt class="py-lineno"> 534</tt>  <tt class="py-line"><tt class="py-docstring">    @type lame_mu: float</tt> </tt>
<a name="L535"></a><tt class="py-lineno"> 535</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar lame_lambda: the layer's Lame parameter, S{lambda} [Pa].</tt> </tt>
<a name="L536"></a><tt class="py-lineno"> 536</tt>  <tt class="py-line"><tt class="py-docstring">    @type lame_lambda: float</tt> </tt>
<a name="L537"></a><tt class="py-lineno"> 537</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar thickness: the radial thickness of the layer [m].</tt> </tt>
<a name="L538"></a><tt class="py-lineno"> 538</tt>  <tt class="py-line"><tt class="py-docstring">    @type thickness: float</tt> </tt>
<a name="L539"></a><tt class="py-lineno"> 539</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar viscosity: the viscosity of the layer [Pa s].</tt> </tt>
<a name="L540"></a><tt class="py-lineno"> 540</tt>  <tt class="py-line"><tt class="py-docstring">    @type viscosity: float</tt> </tt>
<a name="L541"></a><tt class="py-lineno"> 541</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar tensile_str: the tensile failure strength of the layer [Pa].</tt> </tt>
<a name="L542"></a><tt class="py-lineno"> 542</tt>  <tt class="py-line"><tt class="py-docstring">    @type tensile_str: float</tt> </tt>
<a name="L543"></a><tt class="py-lineno"> 543</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L544"></a><tt class="py-lineno"> 544</tt>  <tt class="py-line"> </tt>
<a name="L545"></a><tt class="py-lineno"> 545</tt>  <tt class="py-line"> </tt>
<a name="SatLayer.__init__"></a><div id="SatLayer.__init__-def"><a name="L546"></a><tt class="py-lineno"> 546</tt> <a class="py-toggle" href="#" id="SatLayer.__init__-toggle" onclick="return toggle('SatLayer.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">=</tt><tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L547"></a><tt class="py-lineno"> 547</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L548"></a><tt class="py-lineno"> 548</tt>  <tt class="py-line"><tt class="py-docstring">        Construct an object representing a layer within a L{Satellite}.</tt> </tt>
<a name="L549"></a><tt class="py-lineno"> 549</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L550"></a><tt class="py-lineno"> 550</tt>  <tt class="py-line"><tt class="py-docstring">        Gets values from the L{Satellite.satParams} dictionary for the</tt> </tt>
<a name="L551"></a><tt class="py-lineno"> 551</tt>  <tt class="py-line"><tt class="py-docstring">        layer that corresponds to the value of C{layer_n}.</tt> </tt>
<a name="L552"></a><tt class="py-lineno"> 552</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L553"></a><tt class="py-lineno"> 553</tt>  <tt class="py-line"><tt class="py-docstring">        Each layer is defined by seven parameter values, and each layer has a</tt> </tt>
<a name="L554"></a><tt class="py-lineno"> 554</tt>  <tt class="py-line"><tt class="py-docstring">        unique numeric identifier, appended to the end of all the names of its</tt> </tt>
<a name="L555"></a><tt class="py-lineno"> 555</tt>  <tt class="py-line"><tt class="py-docstring">        parameters.  Layer zero is the core, with the number increasing as the</tt> </tt>
<a name="L556"></a><tt class="py-lineno"> 556</tt>  <tt class="py-line"><tt class="py-docstring">        satellite is built up toward the surface.  In the below list the "N" at</tt> </tt>
<a name="L557"></a><tt class="py-lineno"> 557</tt>  <tt class="py-line"><tt class="py-docstring">        the end of the parameter names should be replaced with the number of</tt> </tt>
<a name="L558"></a><tt class="py-lineno"> 558</tt>  <tt class="py-line"><tt class="py-docstring">        the layer (C{layer_n}).  Currently, because of the constraints of the</tt> </tt>
<a name="L559"></a><tt class="py-lineno"> 559</tt>  <tt class="py-line"><tt class="py-docstring">        Love number code that we are using, you must specify 4 layers (C{CORE},</tt> </tt>
<a name="L560"></a><tt class="py-lineno"> 560</tt>  <tt class="py-line"><tt class="py-docstring">        C{OCEAN}, C{ICE_LOWER}, C{ICE_UPPER}).</tt> </tt>
<a name="L561"></a><tt class="py-lineno"> 561</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L562"></a><tt class="py-lineno"> 562</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{LAYER_ID_N}}: A string identifying the layer, e.g. C{OCEAN} or</tt> </tt>
<a name="L563"></a><tt class="py-lineno"> 563</tt>  <tt class="py-line"><tt class="py-docstring">            C{ICE_LOWER}</tt> </tt>
<a name="L564"></a><tt class="py-lineno"> 564</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L565"></a><tt class="py-lineno"> 565</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{DENSITY_N}}: The density of the layer at zero pressure [m</tt> </tt>
<a name="L566"></a><tt class="py-lineno"> 566</tt>  <tt class="py-line"><tt class="py-docstring">            kg^-3]</tt> </tt>
<a name="L567"></a><tt class="py-lineno"> 567</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L568"></a><tt class="py-lineno"> 568</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{LAME_MU_N}}: The real-valued Lame parameter S{mu} (shear</tt> </tt>
<a name="L569"></a><tt class="py-lineno"> 569</tt>  <tt class="py-line"><tt class="py-docstring">            modulus) [Pa]</tt> </tt>
<a name="L570"></a><tt class="py-lineno"> 570</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L571"></a><tt class="py-lineno"> 571</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{LAME_LAMBDA_N}}: The real-valued Lame parameter S{lambda} [Pa]</tt> </tt>
<a name="L572"></a><tt class="py-lineno"> 572</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L573"></a><tt class="py-lineno"> 573</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{THICKNESS_N}}: The thickness of the layer [m]</tt> </tt>
<a name="L574"></a><tt class="py-lineno"> 574</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L575"></a><tt class="py-lineno"> 575</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{VISCOSITY_N}}: The viscosity of the layer [Pa s]</tt> </tt>
<a name="L576"></a><tt class="py-lineno"> 576</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L577"></a><tt class="py-lineno"> 577</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{TENSILE_STRENGTH_N}}: The tensile strength of the layer [Pa]</tt> </tt>
<a name="L578"></a><tt class="py-lineno"> 578</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L579"></a><tt class="py-lineno"> 579</tt>  <tt class="py-line"><tt class="py-docstring">        Not all layers necessarily require all parameters in order for the</tt> </tt>
<a name="L580"></a><tt class="py-lineno"> 580</tt>  <tt class="py-line"><tt class="py-docstring">        calculation to succeed, but it is required that they be provided.</tt> </tt>
<a name="L581"></a><tt class="py-lineno"> 581</tt>  <tt class="py-line"><tt class="py-docstring">        Parameters that will currently be ignored:</tt> </tt>
<a name="L582"></a><tt class="py-lineno"> 582</tt>  <tt class="py-line"><tt class="py-docstring">      </tt> </tt>
<a name="L583"></a><tt class="py-lineno"> 583</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{TENSILE_STRENGTH}} of all layers except for the surface (which is</tt> </tt>
<a name="L584"></a><tt class="py-lineno"> 584</tt>  <tt class="py-line"><tt class="py-docstring">            only used when creating fractures).</tt> </tt>
<a name="L585"></a><tt class="py-lineno"> 585</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L586"></a><tt class="py-lineno"> 586</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{VISCOSITY}} of the ocean and the core.</tt> </tt>
<a name="L587"></a><tt class="py-lineno"> 587</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L588"></a><tt class="py-lineno"> 588</tt>  <tt class="py-line"><tt class="py-docstring">          - B{C{LAME_MU}} of the ocean, assumed to be zero.</tt> </tt>
<a name="L589"></a><tt class="py-lineno"> 589</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L590"></a><tt class="py-lineno"> 590</tt>  <tt class="py-line"><tt class="py-docstring">        @param sat: the L{Satellite} object to which the layer belongs.</tt> </tt>
<a name="L591"></a><tt class="py-lineno"> 591</tt>  <tt class="py-line"><tt class="py-docstring">        @type sat: L{Satellite}</tt> </tt>
<a name="L592"></a><tt class="py-lineno"> 592</tt>  <tt class="py-line"><tt class="py-docstring">        @param layer_n: layer_n indicates which layer in the satellite is being</tt> </tt>
<a name="L593"></a><tt class="py-lineno"> 593</tt>  <tt class="py-line"><tt class="py-docstring">        defined, with n=0 indicating the center of the satellite, and</tt> </tt>
<a name="L594"></a><tt class="py-lineno"> 594</tt>  <tt class="py-line"><tt class="py-docstring">        increasing outward.  This is needed in order to select the appropriate</tt> </tt>
<a name="L595"></a><tt class="py-lineno"> 595</tt>  <tt class="py-line"><tt class="py-docstring">        values from the L{Satellite.satParams} dictionary.</tt> </tt>
<a name="L596"></a><tt class="py-lineno"> 596</tt>  <tt class="py-line"><tt class="py-docstring">        @type layer_n: int</tt> </tt>
<a name="L597"></a><tt class="py-lineno"> 597</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L598"></a><tt class="py-lineno"> 598</tt>  <tt class="py-line"><tt class="py-docstring">        @raise MissingSatelliteParamError: if any of the seven input parameters</tt> </tt>
<a name="L599"></a><tt class="py-lineno"> 599</tt>  <tt class="py-line"><tt class="py-docstring">        listed above is not found in the L{Satellite.satParams} dictionary </tt> </tt>
<a name="L600"></a><tt class="py-lineno"> 600</tt>  <tt class="py-line"><tt class="py-docstring">        belonging to the C{sat} object passed in.</tt> </tt>
<a name="L601"></a><tt class="py-lineno"> 601</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NonNumberSatelliteParamError: if any numeric instance variable</tt> </tt>
<a name="L602"></a><tt class="py-lineno"> 602</tt>  <tt class="py-line"><tt class="py-docstring">        list above has a value that cannot be converted to a float.</tt> </tt>
<a name="L603"></a><tt class="py-lineno"> 603</tt>  <tt class="py-line"><tt class="py-docstring">        @raise LowLayerDensityError: if a layer is specififed with a</tt> </tt>
<a name="L604"></a><tt class="py-lineno"> 604</tt>  <tt class="py-line"><tt class="py-docstring">        density of less than 100 [kg m^-3]</tt> </tt>
<a name="L605"></a><tt class="py-lineno"> 605</tt>  <tt class="py-line"><tt class="py-docstring">        @raise LowLayerThicknessError: if a layer is specified with a thickness</tt> </tt>
<a name="L606"></a><tt class="py-lineno"> 606</tt>  <tt class="py-line"><tt class="py-docstring">        of less than 100 [m].</tt> </tt>
<a name="L607"></a><tt class="py-lineno"> 607</tt>  <tt class="py-line"><tt class="py-docstring">        @raise NegativeLayerParamError: if either of the Lame parameters, the</tt> </tt>
<a name="L608"></a><tt class="py-lineno"> 608</tt>  <tt class="py-line"><tt class="py-docstring">        viscosity, or the tensile strength of a layer is less than zero.</tt> </tt>
<a name="L609"></a><tt class="py-lineno"> 609</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L610"></a><tt class="py-lineno"> 610</tt>  <tt class="py-line"><tt class="py-docstring">        @return: a L{SatLayer} object having the properties specified in the</tt> </tt>
<a name="L611"></a><tt class="py-lineno"> 611</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{SatLayer}</tt> </tt>
<a name="L612"></a><tt class="py-lineno"> 612</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L613"></a><tt class="py-lineno"> 613</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L614"></a><tt class="py-lineno"> 614</tt>  <tt class="py-line"> </tt>
<a name="L615"></a><tt class="py-lineno"> 615</tt>  <tt class="py-line">        <tt class="py-comment"># Assign all of the SatLayer's data attributes, converting those</tt> </tt>
<a name="L616"></a><tt class="py-lineno"> 616</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># that should be numbers into floats, and making sure that if we</tt> </tt>
<a name="L617"></a><tt class="py-lineno"> 617</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># didn't get a required parameter, an exception is raised.</tt> </tt>
<a name="L618"></a><tt class="py-lineno"> 618</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L619"></a><tt class="py-lineno"> 619</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layer_id</tt> <tt class="py-op">=</tt> <tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'LAYER_ID_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt> </tt>
<a name="L620"></a><tt class="py-lineno"> 620</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L621"></a><tt class="py-lineno"> 621</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-46" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-46', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAYER_ID_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L622"></a><tt class="py-lineno"> 622</tt>  <tt class="py-line">             </tt>
<a name="L623"></a><tt class="py-lineno"> 623</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L624"></a><tt class="py-lineno"> 624</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-47" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-47', 'density', 'link-16');">density</a></tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'DENSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L625"></a><tt class="py-lineno"> 625</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L626"></a><tt class="py-lineno"> 626</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-48" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-48', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'DENSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L627"></a><tt class="py-lineno"> 627</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L628"></a><tt class="py-lineno"> 628</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-49" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-49', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'DENSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L629"></a><tt class="py-lineno"> 629</tt>  <tt class="py-line"> </tt>
<a name="L630"></a><tt class="py-lineno"> 630</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L631"></a><tt class="py-lineno"> 631</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'LAME_MU_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L632"></a><tt class="py-lineno"> 632</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L633"></a><tt class="py-lineno"> 633</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-50" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-50', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_MU_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L634"></a><tt class="py-lineno"> 634</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L635"></a><tt class="py-lineno"> 635</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-51" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-51', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_MU_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L636"></a><tt class="py-lineno"> 636</tt>  <tt class="py-line"> </tt>
<a name="L637"></a><tt class="py-lineno"> 637</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L638"></a><tt class="py-lineno"> 638</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'LAME_LAMBDA_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L639"></a><tt class="py-lineno"> 639</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L640"></a><tt class="py-lineno"> 640</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-52" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-52', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_LAMBDA_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L641"></a><tt class="py-lineno"> 641</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L642"></a><tt class="py-lineno"> 642</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-53" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-53', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_LAMBDA'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L643"></a><tt class="py-lineno"> 643</tt>  <tt class="py-line"> </tt>
<a name="L644"></a><tt class="py-lineno"> 644</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L645"></a><tt class="py-lineno"> 645</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'THICKNESS_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L646"></a><tt class="py-lineno"> 646</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L647"></a><tt class="py-lineno"> 647</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-54" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-54', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'THICKNESS_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L648"></a><tt class="py-lineno"> 648</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L649"></a><tt class="py-lineno"> 649</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-55" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-55', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'THICKNESS_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L650"></a><tt class="py-lineno"> 650</tt>  <tt class="py-line"> </tt>
<a name="L651"></a><tt class="py-lineno"> 651</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L652"></a><tt class="py-lineno"> 652</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'VISCOSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L653"></a><tt class="py-lineno"> 653</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L654"></a><tt class="py-lineno"> 654</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-56" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-56', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'VISCOSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L655"></a><tt class="py-lineno"> 655</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L656"></a><tt class="py-lineno"> 656</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-57" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-57', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'VISCOSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L657"></a><tt class="py-lineno"> 657</tt>  <tt class="py-line"> </tt>
<a name="L658"></a><tt class="py-lineno"> 658</tt>  <tt class="py-line">        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L659"></a><tt class="py-lineno"> 659</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">tensile_str</tt> <tt class="py-op">=</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'TENSILE_STR_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L660"></a><tt class="py-lineno"> 660</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">KeyError</tt><tt class="py-op">:</tt> </tt>
<a name="L661"></a><tt class="py-lineno"> 661</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-58" class="py-name"><a title="SatStress.SatStress.MissingSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-58', 'MissingSatelliteParamError', 'link-5');">MissingSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'TENSILE_STR_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L662"></a><tt class="py-lineno"> 662</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt> <tt class="py-name">ValueError</tt><tt class="py-op">:</tt> </tt>
<a name="L663"></a><tt class="py-lineno"> 663</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-59" class="py-name"><a title="SatStress.SatStress.NonNumberSatelliteParamError" class="py-name" href="#" onclick="return doclink('link-59', 'NonNumberSatelliteParamError', 'link-7');">NonNumberSatelliteParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'TENSILE_STR_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L664"></a><tt class="py-lineno"> 664</tt>  <tt class="py-line"> </tt>
<a name="L665"></a><tt class="py-lineno"> 665</tt>  <tt class="py-line">        <tt class="py-comment"># Test the SatLayer data attributes to make sure they have nominally</tt> </tt>
<a name="L666"></a><tt class="py-lineno"> 666</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># reasonable values:</tt> </tt>
<a name="L667"></a><tt class="py-lineno"> 667</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L668"></a><tt class="py-lineno"> 668</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-60" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-60', 'density', 'link-16');">density</a></tt> <tt class="py-op">&lt;=</tt> <tt class="py-number">100.0</tt><tt class="py-op">:</tt> </tt>
<a name="L669"></a><tt class="py-lineno"> 669</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-61" class="py-name" targets="Class SatStress.SatStress.LowLayerDensityError=SatStress.SatStress.LowLayerDensityError-class.html"><a title="SatStress.SatStress.LowLayerDensityError" class="py-name" href="#" onclick="return doclink('link-61', 'LowLayerDensityError', 'link-61');">LowLayerDensityError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-name">layer_n</tt><tt class="py-op">)</tt> </tt>
<a name="L670"></a><tt class="py-lineno"> 670</tt>  <tt class="py-line"> </tt>
<a name="L671"></a><tt class="py-lineno"> 671</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt> <tt class="py-op">&lt;=</tt> <tt class="py-number">100.0</tt><tt class="py-op">:</tt> </tt>
<a name="L672"></a><tt class="py-lineno"> 672</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-62" class="py-name" targets="Class SatStress.SatStress.LowLayerThicknessError=SatStress.SatStress.LowLayerThicknessError-class.html"><a title="SatStress.SatStress.LowLayerThicknessError" class="py-name" href="#" onclick="return doclink('link-62', 'LowLayerThicknessError', 'link-62');">LowLayerThicknessError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-name">layer_n</tt><tt class="py-op">)</tt> </tt>
<a name="L673"></a><tt class="py-lineno"> 673</tt>  <tt class="py-line"> </tt>
<a name="L674"></a><tt class="py-lineno"> 674</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0.0</tt><tt class="py-op">:</tt> </tt>
<a name="L675"></a><tt class="py-lineno"> 675</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-63" class="py-name" targets="Class SatStress.SatStress.NegativeLayerParamError=SatStress.SatStress.NegativeLayerParamError-class.html"><a title="SatStress.SatStress.NegativeLayerParamError" class="py-name" href="#" onclick="return doclink('link-63', 'NegativeLayerParamError', 'link-63');">NegativeLayerParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_MU_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L676"></a><tt class="py-lineno"> 676</tt>  <tt class="py-line"> </tt>
<a name="L677"></a><tt class="py-lineno"> 677</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0.0</tt><tt class="py-op">:</tt> </tt>
<a name="L678"></a><tt class="py-lineno"> 678</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-64" class="py-name"><a title="SatStress.SatStress.NegativeLayerParamError" class="py-name" href="#" onclick="return doclink('link-64', 'NegativeLayerParamError', 'link-63');">NegativeLayerParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'LAME_LAMBDA_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L679"></a><tt class="py-lineno"> 679</tt>  <tt class="py-line"> </tt>
<a name="L680"></a><tt class="py-lineno"> 680</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0.0</tt><tt class="py-op">:</tt> </tt>
<a name="L681"></a><tt class="py-lineno"> 681</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-65" class="py-name"><a title="SatStress.SatStress.NegativeLayerParamError" class="py-name" href="#" onclick="return doclink('link-65', 'NegativeLayerParamError', 'link-63');">NegativeLayerParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'VISCOSITY_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L682"></a><tt class="py-lineno"> 682</tt>  <tt class="py-line"> </tt>
<a name="L683"></a><tt class="py-lineno"> 683</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">tensile_str</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0.0</tt><tt class="py-op">:</tt> </tt>
<a name="L684"></a><tt class="py-lineno"> 684</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-66" class="py-name"><a title="SatStress.SatStress.NegativeLayerParamError" class="py-name" href="#" onclick="return doclink('link-66', 'NegativeLayerParamError', 'link-63');">NegativeLayerParamError</a></tt><tt class="py-op">(</tt><tt class="py-name">sat</tt><tt class="py-op">,</tt> <tt class="py-string">'TENSILE_STRENGTH_'</tt> <tt class="py-op">+</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L685"></a><tt class="py-lineno"> 685</tt>  <tt class="py-line">     </tt>
<a name="L686"></a><tt class="py-lineno"> 686</tt>  <tt class="py-line">    <tt class="py-comment"># end __init__()</tt> </tt>
<a name="L687"></a><tt class="py-lineno"> 687</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="SatLayer.__str__"></a><div id="SatLayer.__str__-def"><a name="L688"></a><tt class="py-lineno"> 688</tt> <a class="py-toggle" href="#" id="SatLayer.__str__-toggle" onclick="return toggle('SatLayer.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.__str__-expanded"><a name="L689"></a><tt class="py-lineno"> 689</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L690"></a><tt class="py-lineno"> 690</tt>  <tt class="py-line"><tt class="py-docstring">        Output a human and machine readable text description of the layer.</tt> </tt>
<a name="L691"></a><tt class="py-lineno"> 691</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L692"></a><tt class="py-lineno"> 692</tt>  <tt class="py-line"><tt class="py-docstring">        Note that because the layer object does not know explicitly where it is</tt> </tt>
<a name="L693"></a><tt class="py-lineno"> 693</tt>  <tt class="py-line"><tt class="py-docstring">        within the stratified L{Satellite} (that information is contained in</tt> </tt>
<a name="L694"></a><tt class="py-lineno"> 694</tt>  <tt class="py-line"><tt class="py-docstring">        the ordering of Satellite.layers list).  </tt> </tt>
<a name="L695"></a><tt class="py-lineno"> 695</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L696"></a><tt class="py-lineno"> 696</tt>  <tt class="py-line"><tt class="py-docstring">        Derived quantities are also output for clarity, but are preceeded by</tt> </tt>
<a name="L697"></a><tt class="py-lineno"> 697</tt>  <tt class="py-line"><tt class="py-docstring">        the comment character '#' to avoid accidental use in re-constituting a</tt> </tt>
<a name="L698"></a><tt class="py-lineno"> 698</tt>  <tt class="py-line"><tt class="py-docstring">        satellite.</tt> </tt>
<a name="L699"></a><tt class="py-lineno"> 699</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L700"></a><tt class="py-lineno"> 700</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L701"></a><tt class="py-lineno"> 701</tt>  <tt class="py-line"> </tt>
<a name="L702"></a><tt class="py-lineno"> 702</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-67" class="py-name"><a title="SatStress.SatStress.SatLayer.ordered_str" class="py-name" href="#" onclick="return doclink('link-67', 'ordered_str', 'link-45');">ordered_str</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L703"></a><tt class="py-lineno"> 703</tt>  <tt class="py-line">    <tt class="py-comment"># end __str__()</tt> </tt>
<a name="L704"></a><tt class="py-lineno"> 704</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="SatLayer.ordered_str"></a><div id="SatLayer.ordered_str-def"><a name="L705"></a><tt class="py-lineno"> 705</tt> <a class="py-toggle" href="#" id="SatLayer.ordered_str-toggle" onclick="return toggle('SatLayer.ordered_str');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#ordered_str">ordered_str</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">=</tt><tt class="py-name">None</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.ordered_str-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.ordered_str-expanded"><a name="L706"></a><tt class="py-lineno"> 706</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L707"></a><tt class="py-lineno"> 707</tt>  <tt class="py-line"><tt class="py-docstring">        Return a string representation of the L{SatLayer}, including information</tt> </tt>
<a name="L708"></a><tt class="py-lineno"> 708</tt>  <tt class="py-line"><tt class="py-docstring">        about where in the L{Satellite} the layer lies.</tt> </tt>
<a name="L709"></a><tt class="py-lineno"> 709</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L710"></a><tt class="py-lineno"> 710</tt>  <tt class="py-line"><tt class="py-docstring">        When being output as part of a L{Satellite} object, the L{SatLayer} needs</tt> </tt>
<a name="L711"></a><tt class="py-lineno"> 711</tt>  <tt class="py-line"><tt class="py-docstring">        to communicate which layer it is.</tt> </tt>
<a name="L712"></a><tt class="py-lineno"> 712</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L713"></a><tt class="py-lineno"> 713</tt>  <tt class="py-line"><tt class="py-docstring">        @param layer_n: Layer location within satellite.  Zero is the core.  Defaults</tt> </tt>
<a name="L714"></a><tt class="py-lineno"> 714</tt>  <tt class="py-line"><tt class="py-docstring">        to None, in which case no ordering information is conveyed in output.</tt> </tt>
<a name="L715"></a><tt class="py-lineno"> 715</tt>  <tt class="py-line"><tt class="py-docstring">        @type layer_n: int</tt> </tt>
<a name="L716"></a><tt class="py-lineno"> 716</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L717"></a><tt class="py-lineno"> 717</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L718"></a><tt class="py-lineno"> 718</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">layer_n</tt> <tt class="py-keyword">is</tt> <tt class="py-keyword">not</tt> <tt class="py-name">None</tt><tt class="py-op">:</tt> </tt>
<a name="L719"></a><tt class="py-lineno"> 719</tt>  <tt class="py-line">            <tt class="py-name">order_str</tt> <tt class="py-op">=</tt> <tt class="py-string">"_"</tt><tt class="py-op">+</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt> </tt>
<a name="L720"></a><tt class="py-lineno"> 720</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L721"></a><tt class="py-lineno"> 721</tt>  <tt class="py-line">            <tt class="py-name">order_str</tt> <tt class="py-op">=</tt> <tt class="py-string">""</tt> </tt>
<a name="L722"></a><tt class="py-lineno"> 722</tt>  <tt class="py-line"> </tt>
<a name="L723"></a><tt class="py-lineno"> 723</tt>  <tt class="py-line">        <tt class="py-name">myStr</tt> <tt class="py-op">=</tt> <tt class="py-string">"""</tt> </tt>
<a name="L724"></a><tt class="py-lineno"> 724</tt>  <tt class="py-line"><tt class="py-string">LAYER_ID%s    = %s</tt> </tt>
<a name="L725"></a><tt class="py-lineno"> 725</tt>  <tt class="py-line"><tt class="py-string">DENSITY%s     = %g</tt> </tt>
<a name="L726"></a><tt class="py-lineno"> 726</tt>  <tt class="py-line"><tt class="py-string">LAME_MU%s     = %g</tt> </tt>
<a name="L727"></a><tt class="py-lineno"> 727</tt>  <tt class="py-line"><tt class="py-string">LAME_LAMBDA%s = %g</tt> </tt>
<a name="L728"></a><tt class="py-lineno"> 728</tt>  <tt class="py-line"><tt class="py-string">THICKNESS%s   = %g</tt> </tt>
<a name="L729"></a><tt class="py-lineno"> 729</tt>  <tt class="py-line"><tt class="py-string">VISCOSITY%s   = %g</tt> </tt>
<a name="L730"></a><tt class="py-lineno"> 730</tt>  <tt class="py-line"><tt class="py-string">TENSILE_STR%s = %g</tt> </tt>
<a name="L731"></a><tt class="py-lineno"> 731</tt>  <tt class="py-line"><tt class="py-string"># MAXWELL_TIME%s    = %g</tt> </tt>
<a name="L732"></a><tt class="py-lineno"> 732</tt>  <tt class="py-line"><tt class="py-string"># BULK_MODULUS%s    = %g</tt> </tt>
<a name="L733"></a><tt class="py-lineno"> 733</tt>  <tt class="py-line"><tt class="py-string"># YOUNGS_MODULUS%s  = %g</tt> </tt>
<a name="L734"></a><tt class="py-lineno"> 734</tt>  <tt class="py-line"><tt class="py-string"># POISSONS_RATIO%s  = %g</tt> </tt>
<a name="L735"></a><tt class="py-lineno"> 735</tt>  <tt class="py-line"><tt class="py-string"># P_WAVE_VELOCITY%s = %g</tt> </tt>
<a name="L736"></a><tt class="py-lineno"> 736</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">layer_id</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L737"></a><tt class="py-lineno"> 737</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-68" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-68', 'density', 'link-16');">density</a></tt><tt class="py-op">,</tt>\ </tt>
<a name="L738"></a><tt class="py-lineno"> 738</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">,</tt>\ </tt>
<a name="L739"></a><tt class="py-lineno"> 739</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt><tt class="py-op">,</tt>\ </tt>
<a name="L740"></a><tt class="py-lineno"> 740</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt><tt class="py-op">,</tt>\ </tt>
<a name="L741"></a><tt class="py-lineno"> 741</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">,</tt>\ </tt>
<a name="L742"></a><tt class="py-lineno"> 742</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">tensile_str</tt><tt class="py-op">,</tt>\ </tt>
<a name="L743"></a><tt class="py-lineno"> 743</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-69" class="py-name" targets="Method SatStress.SatStress.SatLayer.maxwell_time()=SatStress.SatStress.SatLayer-class.html#maxwell_time"><a title="SatStress.SatStress.SatLayer.maxwell_time" class="py-name" href="#" onclick="return doclink('link-69', 'maxwell_time', 'link-69');">maxwell_time</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L744"></a><tt class="py-lineno"> 744</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-70" class="py-name" targets="Method SatStress.SatStress.SatLayer.bulk_modulus()=SatStress.SatStress.SatLayer-class.html#bulk_modulus"><a title="SatStress.SatStress.SatLayer.bulk_modulus" class="py-name" href="#" onclick="return doclink('link-70', 'bulk_modulus', 'link-70');">bulk_modulus</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L745"></a><tt class="py-lineno"> 745</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-71" class="py-name" targets="Method SatStress.SatStress.SatLayer.youngs_modulus()=SatStress.SatStress.SatLayer-class.html#youngs_modulus"><a title="SatStress.SatStress.SatLayer.youngs_modulus" class="py-name" href="#" onclick="return doclink('link-71', 'youngs_modulus', 'link-71');">youngs_modulus</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L746"></a><tt class="py-lineno"> 746</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-72" class="py-name" targets="Method SatStress.SatStress.SatLayer.poissons_ratio()=SatStress.SatStress.SatLayer-class.html#poissons_ratio"><a title="SatStress.SatStress.SatLayer.poissons_ratio" class="py-name" href="#" onclick="return doclink('link-72', 'poissons_ratio', 'link-72');">poissons_ratio</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L747"></a><tt class="py-lineno"> 747</tt>  <tt class="py-line">       <tt class="py-name">order_str</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-73" class="py-name" targets="Method SatStress.SatStress.SatLayer.p_wave_velocity()=SatStress.SatStress.SatLayer-class.html#p_wave_velocity"><a title="SatStress.SatStress.SatLayer.p_wave_velocity" class="py-name" href="#" onclick="return doclink('link-73', 'p_wave_velocity', 'link-73');">p_wave_velocity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L748"></a><tt class="py-lineno"> 748</tt>  <tt class="py-line"> </tt>
<a name="L749"></a><tt class="py-lineno"> 749</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">myStr</tt><tt class="py-op">)</tt> </tt>
</div><a name="L750"></a><tt class="py-lineno"> 750</tt>  <tt class="py-line"> </tt>
<a name="L751"></a><tt class="py-lineno"> 751</tt>  <tt class="py-line">    <tt class="py-comment"># Methods for calculating quantities that depend on data attributes </tt> </tt>
<a name="SatLayer.maxwell_time"></a><div id="SatLayer.maxwell_time-def"><a name="L752"></a><tt class="py-lineno"> 752</tt> <a class="py-toggle" href="#" id="SatLayer.maxwell_time-toggle" onclick="return toggle('SatLayer.maxwell_time');">-</a><tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#maxwell_time">maxwell_time</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.maxwell_time-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.maxwell_time-expanded"><a name="L753"></a><tt class="py-lineno"> 753</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the Maxwell relaxation time of the layer [s]</tt> </tt>
<a name="L754"></a><tt class="py-lineno"> 754</tt>  <tt class="py-line"><tt class="py-docstring">        (viscosity/lame_mu)."""</tt> </tt>
<a name="L755"></a><tt class="py-lineno"> 755</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">==</tt><tt class="py-number">0.0</tt> <tt class="py-keyword">or</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">==</tt><tt class="py-string">"NONE"</tt> <tt class="py-keyword">or</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">==</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L756"></a><tt class="py-lineno"> 756</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
<a name="L757"></a><tt class="py-lineno"> 757</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L758"></a><tt class="py-lineno"> 758</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt> <tt class="py-op">/</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">)</tt> </tt>
</div><a name="L759"></a><tt class="py-lineno"> 759</tt>  <tt class="py-line"> </tt>
<a name="SatLayer.bulk_modulus"></a><div id="SatLayer.bulk_modulus-def"><a name="L760"></a><tt class="py-lineno"> 760</tt> <a class="py-toggle" href="#" id="SatLayer.bulk_modulus-toggle" onclick="return toggle('SatLayer.bulk_modulus');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#bulk_modulus">bulk_modulus</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.bulk_modulus-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.bulk_modulus-expanded"><a name="L761"></a><tt class="py-lineno"> 761</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the bulk modulus (S{kappa}) of the layer [Pa]."""</tt> </tt>
<a name="L762"></a><tt class="py-lineno"> 762</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">+</tt> <tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">/</tt><tt class="py-number">3.0</tt><tt class="py-op">)</tt> <tt class="py-op">*</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">)</tt> </tt>
</div><a name="L763"></a><tt class="py-lineno"> 763</tt>  <tt class="py-line"> </tt>
<a name="SatLayer.youngs_modulus"></a><div id="SatLayer.youngs_modulus-def"><a name="L764"></a><tt class="py-lineno"> 764</tt> <a class="py-toggle" href="#" id="SatLayer.youngs_modulus-toggle" onclick="return toggle('SatLayer.youngs_modulus');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#youngs_modulus">youngs_modulus</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.youngs_modulus-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.youngs_modulus-expanded"><a name="L765"></a><tt class="py-lineno"> 765</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the Young's modulus (E) of the layer [Pa]."""</tt> </tt>
<a name="L766"></a><tt class="py-lineno"> 766</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">+</tt> <tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">)</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L767"></a><tt class="py-lineno"> 767</tt>  <tt class="py-line"> </tt>
<a name="SatLayer.poissons_ratio"></a><div id="SatLayer.poissons_ratio-def"><a name="L768"></a><tt class="py-lineno"> 768</tt> <a class="py-toggle" href="#" id="SatLayer.poissons_ratio-toggle" onclick="return toggle('SatLayer.poissons_ratio');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#poissons_ratio">poissons_ratio</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.poissons_ratio-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.poissons_ratio-expanded"><a name="L769"></a><tt class="py-lineno"> 769</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate poisson's ratio (S{nu}) of the layer [Pa]."""</tt> </tt>
<a name="L770"></a><tt class="py-lineno"> 770</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">/</tt> <tt class="py-op">(</tt><tt class="py-number">2.0</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">+</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L771"></a><tt class="py-lineno"> 771</tt>  <tt class="py-line"> </tt>
<a name="SatLayer.p_wave_velocity"></a><div id="SatLayer.p_wave_velocity-def"><a name="L772"></a><tt class="py-lineno"> 772</tt> <a class="py-toggle" href="#" id="SatLayer.p_wave_velocity-toggle" onclick="return toggle('SatLayer.p_wave_velocity');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.SatLayer-class.html#p_wave_velocity">p_wave_velocity</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="SatLayer.p_wave_velocity-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="SatLayer.p_wave_velocity-expanded"><a name="L773"></a><tt class="py-lineno"> 773</tt>  <tt class="py-line">        <tt class="py-docstring">"""Calculate the velocity of a compression wave in the layer [m s^-1]"""</tt> </tt>
<a name="L774"></a><tt class="py-lineno"> 774</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">sqrt</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-74" class="py-name"><a title="SatStress.SatStress.SatLayer.bulk_modulus" class="py-name" href="#" onclick="return doclink('link-74', 'bulk_modulus', 'link-70');">bulk_modulus</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-75" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-75', 'density', 'link-16');">density</a></tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L775"></a><tt class="py-lineno"> 775</tt>  <tt class="py-line">    <tt class="py-comment"># end derived quantities</tt> </tt>
<a name="L776"></a><tt class="py-lineno"> 776</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L777"></a><tt class="py-lineno"> 777</tt>  <tt class="py-line"><tt class="py-comment"># end class SatLayer</tt> </tt>
<a name="L778"></a><tt class="py-lineno"> 778</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="LoveNum"></a><div id="LoveNum-def"><a name="L779"></a><tt class="py-lineno"> 779</tt> <a class="py-toggle" href="#" id="LoveNum-toggle" onclick="return toggle('LoveNum');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LoveNum-class.html">LoveNum</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L780"></a><tt class="py-lineno"> 780</tt>  <tt class="py-line">    <tt class="py-docstring">"""A container class for the complex Love numbers: h2, k2, and l2.</tt> </tt>
<a name="L781"></a><tt class="py-lineno"> 781</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L782"></a><tt class="py-lineno"> 782</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar h2: the degree 2 complex, frequency dependent Love number h.</tt> </tt>
<a name="L783"></a><tt class="py-lineno"> 783</tt>  <tt class="py-line"><tt class="py-docstring">    @type h2: complex</tt> </tt>
<a name="L784"></a><tt class="py-lineno"> 784</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar k2: the degree 2 complex, frequency dependent Love number k.</tt> </tt>
<a name="L785"></a><tt class="py-lineno"> 785</tt>  <tt class="py-line"><tt class="py-docstring">    @type k2: complex</tt> </tt>
<a name="L786"></a><tt class="py-lineno"> 786</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar l2: the degree 2 complex, frequency dependent Love number l.</tt> </tt>
<a name="L787"></a><tt class="py-lineno"> 787</tt>  <tt class="py-line"><tt class="py-docstring">    @type l2: complex</tt> </tt>
<a name="L788"></a><tt class="py-lineno"> 788</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L789"></a><tt class="py-lineno"> 789</tt>  <tt class="py-line"> </tt>
<a name="LoveNum.__init__"></a><div id="LoveNum.__init__-def"><a name="L790"></a><tt class="py-lineno"> 790</tt> <a class="py-toggle" href="#" id="LoveNum.__init__-toggle" onclick="return toggle('LoveNum.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LoveNum-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">h2_real</tt><tt class="py-op">,</tt> <tt class="py-param">h2_imag</tt><tt class="py-op">,</tt> <tt class="py-param">k2_real</tt><tt class="py-op">,</tt> <tt class="py-param">k2_imag</tt><tt class="py-op">,</tt> <tt class="py-param">l2_real</tt><tt class="py-op">,</tt> <tt class="py-param">l2_imag</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveNum.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LoveNum.__init__-expanded"><a name="L791"></a><tt class="py-lineno"> 791</tt>  <tt class="py-line">        <tt class="py-docstring">"""Using the real and imaginary parts, create complex values."""</tt> </tt>
<a name="L792"></a><tt class="py-lineno"> 792</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">h2</tt> <tt class="py-op">=</tt> <tt class="py-name">h2_real</tt> <tt class="py-op">+</tt> <tt class="py-name">h2_imag</tt><tt class="py-op">*</tt><tt class="py-number">1.0j</tt> </tt>
<a name="L793"></a><tt class="py-lineno"> 793</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">k2</tt> <tt class="py-op">=</tt> <tt class="py-name">k2_real</tt> <tt class="py-op">+</tt> <tt class="py-name">k2_imag</tt><tt class="py-op">*</tt><tt class="py-number">1.0j</tt> </tt>
<a name="L794"></a><tt class="py-lineno"> 794</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">l2</tt> <tt class="py-op">=</tt> <tt class="py-name">l2_real</tt> <tt class="py-op">+</tt> <tt class="py-name">l2_imag</tt><tt class="py-op">*</tt><tt class="py-number">1.0j</tt> </tt>
</div><a name="L795"></a><tt class="py-lineno"> 795</tt>  <tt class="py-line"> </tt>
<a name="LoveNum.__str__"></a><div id="LoveNum.__str__-def"><a name="L796"></a><tt class="py-lineno"> 796</tt> <a class="py-toggle" href="#" id="LoveNum.__str__-toggle" onclick="return toggle('LoveNum.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LoveNum-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveNum.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LoveNum.__str__-expanded"><a name="L797"></a><tt class="py-lineno"> 797</tt>  <tt class="py-line">        <tt class="py-docstring">"""Return a human readable string representation of the Love numbers"""</tt> </tt>
<a name="L798"></a><tt class="py-lineno"> 798</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"h2 = %s\nk2 = %s\nl2 = %s"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">k2</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L799"></a><tt class="py-lineno"> 799</tt>  <tt class="py-line"> </tt>
<a name="L800"></a><tt class="py-lineno"> 800</tt>  <tt class="py-line"><tt class="py-comment"># end class LoveNum</tt> </tt>
<a name="L801"></a><tt class="py-lineno"> 801</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="StressDef"></a><div id="StressDef-def"><a name="L802"></a><tt class="py-lineno"> 802</tt> <a class="py-toggle" href="#" id="StressDef-toggle" onclick="return toggle('StressDef');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html">StressDef</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L803"></a><tt class="py-lineno"> 803</tt>  <tt class="py-line">    <tt class="py-docstring">"""A base class from which particular tidal stress field objects descend.</tt> </tt>
<a name="L804"></a><tt class="py-lineno"> 804</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L805"></a><tt class="py-lineno"> 805</tt>  <tt class="py-line"><tt class="py-docstring">    Different tidal forcings are specified as sub-classes of this superclass (one</tt> </tt>
<a name="L806"></a><tt class="py-lineno"> 806</tt>  <tt class="py-line"><tt class="py-docstring">    for each separate forcing).</tt> </tt>
<a name="L807"></a><tt class="py-lineno"> 807</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L808"></a><tt class="py-lineno"> 808</tt>  <tt class="py-line"><tt class="py-docstring">    In the expressions of the stress fields, the time M{t} is specified in</tt> </tt>
<a name="L809"></a><tt class="py-lineno"> 809</tt>  <tt class="py-line"><tt class="py-docstring">    seconds, with zero occuring at periapse, in order to be compatible with the</tt> </tt>
<a name="L810"></a><tt class="py-lineno"> 810</tt>  <tt class="py-line"><tt class="py-docstring">    future inclusion of stressing mechanisms which may have explicit time</tt> </tt>
<a name="L811"></a><tt class="py-lineno"> 811</tt>  <tt class="py-line"><tt class="py-docstring">    dependence instead of being a function of the satellite's orbital position</tt> </tt>
<a name="L812"></a><tt class="py-lineno"> 812</tt>  <tt class="py-line"><tt class="py-docstring">    (e.g. a true polar wander trajectory).</tt> </tt>
<a name="L813"></a><tt class="py-lineno"> 813</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L814"></a><tt class="py-lineno"> 814</tt>  <tt class="py-line"><tt class="py-docstring">    Location is specified within a polar coordinate system having its origin at the</tt> </tt>
<a name="L815"></a><tt class="py-lineno"> 815</tt>  <tt class="py-line"><tt class="py-docstring">    satellite's center of mass, using the following variables:</tt> </tt>
<a name="L816"></a><tt class="py-lineno"> 816</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L817"></a><tt class="py-lineno"> 817</tt>  <tt class="py-line"><tt class="py-docstring">      - co-latitude (S{theta}): The arc separating a point on the surface of</tt> </tt>
<a name="L818"></a><tt class="py-lineno"> 818</tt>  <tt class="py-line"><tt class="py-docstring">        the satellite from the north pole (0 &lt; S{theta} &lt; S{pi}).</tt> </tt>
<a name="L819"></a><tt class="py-lineno"> 819</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L820"></a><tt class="py-lineno"> 820</tt>  <tt class="py-line"><tt class="py-docstring">      - longitude (S{phi}): The arc separating the meridian of a point and the</tt> </tt>
<a name="L821"></a><tt class="py-lineno"> 821</tt>  <tt class="py-line"><tt class="py-docstring">        meridian which passes under the average location of the primary</tt> </tt>
<a name="L822"></a><tt class="py-lineno"> 822</tt>  <tt class="py-line"><tt class="py-docstring">        (planet) in the sky over the course of an orbit (0 &lt; S{phi} &lt; 2S{pi}).</tt> </tt>
<a name="L823"></a><tt class="py-lineno"> 823</tt>  <tt class="py-line"><tt class="py-docstring">        B{East is taken as positive.}</tt> </tt>
<a name="L824"></a><tt class="py-lineno"> 824</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L825"></a><tt class="py-lineno"> 825</tt>  <tt class="py-line"><tt class="py-docstring">    Each subclass must define its own version of the three components of the</tt> </tt>
<a name="L826"></a><tt class="py-lineno"> 826</tt>  <tt class="py-line"><tt class="py-docstring">    membrane stress tensor, C{Ttt}, C{Tpp}, and C{Tpt} (the north-south,</tt> </tt>
<a name="L827"></a><tt class="py-lineno"> 827</tt>  <tt class="py-line"><tt class="py-docstring">    east-west, and shear stress components) as methods.</tt> </tt>
<a name="L828"></a><tt class="py-lineno"> 828</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L829"></a><tt class="py-lineno"> 829</tt>  <tt class="py-line"><tt class="py-docstring">    @cvar satellite: the satellite which the stress is being applied to.</tt> </tt>
<a name="L830"></a><tt class="py-lineno"> 830</tt>  <tt class="py-line"><tt class="py-docstring">    @type satellite: L{Satellite}</tt> </tt>
<a name="L831"></a><tt class="py-lineno"> 831</tt>  <tt class="py-line"><tt class="py-docstring">    @cvar omega: the forcing frequency associated with the stress.</tt> </tt>
<a name="L832"></a><tt class="py-lineno"> 832</tt>  <tt class="py-line"><tt class="py-docstring">    @type omega: float</tt> </tt>
<a name="L833"></a><tt class="py-lineno"> 833</tt>  <tt class="py-line"><tt class="py-docstring">    @cvar love: the Love numbers which result from the given forcing frequency</tt> </tt>
<a name="L834"></a><tt class="py-lineno"> 834</tt>  <tt class="py-line"><tt class="py-docstring">    and the specified satellite structure.</tt> </tt>
<a name="L835"></a><tt class="py-lineno"> 835</tt>  <tt class="py-line"><tt class="py-docstring">    @type love: L{LoveNum}</tt> </tt>
<a name="L836"></a><tt class="py-lineno"> 836</tt>  <tt class="py-line"><tt class="py-docstring">    </tt> </tt>
<a name="L837"></a><tt class="py-lineno"> 837</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L838"></a><tt class="py-lineno"> 838</tt>  <tt class="py-line"> </tt>
<a name="L839"></a><tt class="py-lineno"> 839</tt>  <tt class="py-line">    <tt class="py-comment"># These variables (objects) are used in the superclass and in the subclasses,</tt> </tt>
<a name="L840"></a><tt class="py-lineno"> 840</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-comment"># and so need to be defined here. (Is this true?)</tt> </tt>
<a name="L841"></a><tt class="py-lineno"> 841</tt>  <tt class="py-line"><tt class="py-comment"></tt>    <tt id="link-76" class="py-name" targets="Variable SatStress.SatStress.StressDef.omega=SatStress.SatStress.StressDef-class.html#omega"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-76', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">=</tt> <tt class="py-number">0.0</tt> </tt>
<a name="L842"></a><tt class="py-lineno"> 842</tt>  <tt class="py-line">    <tt id="link-77" class="py-name" targets="Variable SatStress.SatStress.StressDef.satellite=SatStress.SatStress.StressDef-class.html#satellite"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-77', 'satellite', 'link-77');">satellite</a></tt> <tt class="py-op">=</tt> <tt class="py-name">None</tt> </tt>
<a name="L843"></a><tt class="py-lineno"> 843</tt>  <tt class="py-line">    <tt id="link-78" class="py-name" targets="Variable SatStress.SatStress.StressDef.love=SatStress.SatStress.StressDef-class.html#love"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-78', 'love', 'link-78');">love</a></tt> <tt class="py-op">=</tt> <tt id="link-79" class="py-name" targets="Class SatStress.SatStress.LoveNum=SatStress.SatStress.LoveNum-class.html"><a title="SatStress.SatStress.LoveNum" class="py-name" href="#" onclick="return doclink('link-79', 'LoveNum', 'link-79');">LoveNum</a></tt><tt class="py-op">(</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">,</tt><tt class="py-number">0</tt><tt class="py-op">)</tt> </tt>
<a name="L844"></a><tt class="py-lineno"> 844</tt>  <tt class="py-line"> </tt>
<a name="L845"></a><tt class="py-lineno"> 845</tt>  <tt class="py-line">    <tt class="py-comment"># Common StressDef Methods: </tt> </tt>
<a name="StressDef.__str__"></a><div id="StressDef.__str__-def"><a name="L846"></a><tt class="py-lineno"> 846</tt> <a class="py-toggle" href="#" id="StressDef.__str__-toggle" onclick="return toggle('StressDef.__str__');">-</a><tt class="py-line"><tt class="py-comment"></tt>    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.__str__-expanded"><a name="L847"></a><tt class="py-lineno"> 847</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L848"></a><tt class="py-lineno"> 848</tt>  <tt class="py-line"><tt class="py-docstring">        Output information about this stress field, including frequency</tt> </tt>
<a name="L849"></a><tt class="py-lineno"> 849</tt>  <tt class="py-line"><tt class="py-docstring">        dependent parameters.</tt> </tt>
<a name="L850"></a><tt class="py-lineno"> 850</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L851"></a><tt class="py-lineno"> 851</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L852"></a><tt class="py-lineno"> 852</tt>  <tt class="py-line">        <tt class="py-name">myStr</tt> <tt class="py-op">=</tt> <tt class="py-string">"""</tt> </tt>
<a name="L853"></a><tt class="py-lineno"> 853</tt>  <tt class="py-line"><tt class="py-string">%s_SURFACE_DELTA  = %g</tt> </tt>
<a name="L854"></a><tt class="py-lineno"> 854</tt>  <tt class="py-line"><tt class="py-string">%s_OMEGA          = %g</tt> </tt>
<a name="L855"></a><tt class="py-lineno"> 855</tt>  <tt class="py-line"><tt class="py-string">%s_FORCING_PERIOD = %g</tt> </tt>
<a name="L856"></a><tt class="py-lineno"> 856</tt>  <tt class="py-line"><tt class="py-string">%s_MU_TWIDDLE     = %g + %gj</tt> </tt>
<a name="L857"></a><tt class="py-lineno"> 857</tt>  <tt class="py-line"><tt class="py-string">%s_LAMBDA_TWIDDLE = %g + %gj</tt> </tt>
<a name="L858"></a><tt class="py-lineno"> 858</tt>  <tt class="py-line"><tt class="py-string">%s_LOVE_H2        = %s</tt> </tt>
<a name="L859"></a><tt class="py-lineno"> 859</tt>  <tt class="py-line"><tt class="py-string">%s_LOVE_K2        = %s</tt> </tt>
<a name="L860"></a><tt class="py-lineno"> 860</tt>  <tt class="py-line"><tt class="py-string">%s_LOVE_L2        = %s</tt> </tt>
<a name="L861"></a><tt class="py-lineno"> 861</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-80" class="py-name" targets="Method SatStress.SatStress.StressDef.Delta()=SatStress.SatStress.StressDef-class.html#Delta"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-80', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L862"></a><tt class="py-lineno"> 862</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-81" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-81', 'omega', 'link-76');">omega</a></tt><tt class="py-op">,</tt>\ </tt>
<a name="L863"></a><tt class="py-lineno"> 863</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-82" class="py-name" targets="Method SatStress.SatStress.StressDef.forcing_period()=SatStress.SatStress.StressDef-class.html#forcing_period"><a title="SatStress.SatStress.StressDef.forcing_period" class="py-name" href="#" onclick="return doclink('link-82', 'forcing_period', 'link-82');">forcing_period</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L864"></a><tt class="py-lineno"> 864</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-83" class="py-name" targets="Method SatStress.SatStress.StressDef.mu_twiddle()=SatStress.SatStress.StressDef-class.html#mu_twiddle"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-83', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-84" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-84', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">,</tt>\ </tt>
<a name="L865"></a><tt class="py-lineno"> 865</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-85" class="py-name" targets="Method SatStress.SatStress.StressDef.lambda_twiddle()=SatStress.SatStress.StressDef-class.html#lambda_twiddle"><a title="SatStress.SatStress.StressDef.lambda_twiddle" class="py-name" href="#" onclick="return doclink('link-85', 'lambda_twiddle', 'link-85');">lambda_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-86" class="py-name"><a title="SatStress.SatStress.StressDef.lambda_twiddle" class="py-name" href="#" onclick="return doclink('link-86', 'lambda_twiddle', 'link-85');">lambda_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">,</tt>\ </tt>
<a name="L866"></a><tt class="py-lineno"> 866</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-87" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-87', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">,</tt>\ </tt>
<a name="L867"></a><tt class="py-lineno"> 867</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-88" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-88', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">k2</tt><tt class="py-op">,</tt>\ </tt>
<a name="L868"></a><tt class="py-lineno"> 868</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-89" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-89', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt> </tt>
<a name="L869"></a><tt class="py-lineno"> 869</tt>  <tt class="py-line"> </tt>
<a name="L870"></a><tt class="py-lineno"> 870</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">myStr</tt><tt class="py-op">)</tt> </tt>
</div><a name="L871"></a><tt class="py-lineno"> 871</tt>  <tt class="py-line"> </tt>
<a name="StressDef.forcing_period"></a><div id="StressDef.forcing_period-def"><a name="L872"></a><tt class="py-lineno"> 872</tt> <a class="py-toggle" href="#" id="StressDef.forcing_period-toggle" onclick="return toggle('StressDef.forcing_period');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#forcing_period">forcing_period</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.forcing_period-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.forcing_period-expanded"><a name="L873"></a><tt class="py-lineno"> 873</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L874"></a><tt class="py-lineno"> 874</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the forcing period based on the forcing frequency (omega).</tt> </tt>
<a name="L875"></a><tt class="py-lineno"> 875</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L876"></a><tt class="py-lineno"> 876</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">2</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt><tt class="py-op">/</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-90" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-90', 'omega', 'link-76');">omega</a></tt><tt class="py-op">)</tt> </tt>
</div><a name="L877"></a><tt class="py-lineno"> 877</tt>  <tt class="py-line"> </tt>
<a name="StressDef.calcLove"></a><div id="StressDef.calcLove-def"><a name="L878"></a><tt class="py-lineno"> 878</tt> <a class="py-toggle" href="#" id="StressDef.calcLove-toggle" onclick="return toggle('StressDef.calcLove');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#calcLove">calcLove</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L879"></a><tt class="py-lineno"> 879</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L880"></a><tt class="py-lineno"> 880</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the Love numbers for the satellite and the given forcing.</tt> </tt>
<a name="L881"></a><tt class="py-lineno"> 881</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L882"></a><tt class="py-lineno"> 882</tt>  <tt class="py-line"><tt class="py-docstring">        If an infinite forcing period is given, return zero valued Love</tt> </tt>
<a name="L883"></a><tt class="py-lineno"> 883</tt>  <tt class="py-line"><tt class="py-docstring">        numbers.</tt> </tt>
<a name="L884"></a><tt class="py-lineno"> 884</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L885"></a><tt class="py-lineno"> 885</tt>  <tt class="py-line"><tt class="py-docstring">        This is a wrapper function, which can be used to call different Love</tt> </tt>
<a name="L886"></a><tt class="py-lineno"> 886</tt>  <tt class="py-line"><tt class="py-docstring">        number codes in the future.</tt> </tt>
<a name="L887"></a><tt class="py-lineno"> 887</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L888"></a><tt class="py-lineno"> 888</tt>  <tt class="py-line"><tt class="py-docstring">        @raise InvalidLoveNumberError: if the magnitude of the imaginary part</tt> </tt>
<a name="L889"></a><tt class="py-lineno"> 889</tt>  <tt class="py-line"><tt class="py-docstring">        of any Love number is larger than its real part, if the real part is</tt> </tt>
<a name="L890"></a><tt class="py-lineno"> 890</tt>  <tt class="py-line"><tt class="py-docstring">        ever less than zero, or if the real coefficient of the imaginary part</tt> </tt>
<a name="L891"></a><tt class="py-lineno"> 891</tt>  <tt class="py-line"><tt class="py-docstring">        is ever positive.</tt> </tt>
<a name="L892"></a><tt class="py-lineno"> 892</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L893"></a><tt class="py-lineno"> 893</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L894"></a><tt class="py-lineno"> 894</tt>  <tt class="py-line">        <tt class="py-comment"># I am separating the Love number calculation out into a separate</tt> </tt>
<a name="L895"></a><tt class="py-lineno"> 895</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># method because I anticipate having more than one option here,</tt> </tt>
<a name="L896"></a><tt class="py-lineno"> 896</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># possibly allowing the user to explicitly set their Love numbers in</tt> </tt>
<a name="L897"></a><tt class="py-lineno"> 897</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># the input file, and possibly wrapping the Fortran code in Python,</tt> </tt>
<a name="L898"></a><tt class="py-lineno"> 898</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># or translating James Roberts' code into pure python, so I don't have</tt> </tt>
<a name="L899"></a><tt class="py-lineno"> 899</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># to worry about this thing compiling everywhere...</tt> </tt>
<a name="L900"></a><tt class="py-lineno"> 900</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L901"></a><tt class="py-lineno"> 901</tt>  <tt class="py-line">        <tt class="py-comment"># If the period is infinite (omega = 0) then we aren't going to get any</tt> </tt>
<a name="L902"></a><tt class="py-lineno"> 902</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># stresses from the forcing at all, and our Love number code will probably</tt> </tt>
<a name="L903"></a><tt class="py-lineno"> 903</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># blow up anyway, so for the moment we'll just set the Love numbers to be</tt> </tt>
<a name="L904"></a><tt class="py-lineno"> 904</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># null, and deal with them appropriately in the stress calculation elsewhere.</tt> </tt>
<a name="L905"></a><tt class="py-lineno"> 905</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L906"></a><tt class="py-lineno"> 906</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-91" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-91', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">==</tt> <tt class="py-number">0.0</tt><tt class="py-op">:</tt> </tt>
<a name="L907"></a><tt class="py-lineno"> 907</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-92" class="py-name" targets="Method SatStress.SatStress.StressDef.calcLoveInfinitePeriod()=SatStress.SatStress.StressDef-class.html#calcLoveInfinitePeriod"><a title="SatStress.SatStress.StressDef.calcLoveInfinitePeriod" class="py-name" href="#" onclick="return doclink('link-92', 'calcLoveInfinitePeriod', 'link-92');">calcLoveInfinitePeriod</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L908"></a><tt class="py-lineno"> 908</tt>  <tt class="py-line">        <tt class="py-keyword">else</tt><tt class="py-op">:</tt> </tt>
<a name="L909"></a><tt class="py-lineno"> 909</tt>  <tt class="py-line">            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-93" class="py-name" targets="Method SatStress.SatStress.StressDef.calcLoveWahr4LayerExternal()=SatStress.SatStress.StressDef-class.html#calcLoveWahr4LayerExternal"><a title="SatStress.SatStress.StressDef.calcLoveWahr4LayerExternal" class="py-name" href="#" onclick="return doclink('link-93', 'calcLoveWahr4LayerExternal', 'link-93');">calcLoveWahr4LayerExternal</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L910"></a><tt class="py-lineno"> 910</tt>  <tt class="py-line">         </tt>
<a name="L911"></a><tt class="py-lineno"> 911</tt>  <tt class="py-line">        <tt class="py-comment"># Do a little sanity checking on the Love numbers to make sure that we have</tt> </tt>
<a name="L912"></a><tt class="py-lineno"> 912</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># realistic values:</tt> </tt>
<a name="L913"></a><tt class="py-lineno"> 913</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># - Imaginary parts should always have smaller magnitudes than real parts</tt> </tt>
<a name="L914"></a><tt class="py-lineno"> 914</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># - Real parts should be greater than zero</tt> </tt>
<a name="L915"></a><tt class="py-lineno"> 915</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># - Imaginary parts should be less than zero</tt> </tt>
<a name="L916"></a><tt class="py-lineno"> 916</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">if</tt> <tt class="py-op">(</tt><tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-94" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-94', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">)</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-95" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-95', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt>\ </tt>
<a name="L917"></a><tt class="py-lineno"> 917</tt>  <tt class="py-line">           <tt class="py-op">(</tt><tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-96" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-96', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">)</tt> <tt class="py-op">&lt;</tt> <tt class="py-name">abs</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-97" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-97', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt>\ </tt>
<a name="L918"></a><tt class="py-lineno"> 918</tt>  <tt class="py-line">           <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-98" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-98', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt>\ </tt>
<a name="L919"></a><tt class="py-lineno"> 919</tt>  <tt class="py-line">           <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-99" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-99', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> <tt class="py-op">&lt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt>\ </tt>
<a name="L920"></a><tt class="py-lineno"> 920</tt>  <tt class="py-line">           <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-100" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-100', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">*</tt><tt class="py-op">-</tt><tt class="py-number">1j</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt> <tt class="py-keyword">or</tt>\ </tt>
<a name="L921"></a><tt class="py-lineno"> 921</tt>  <tt class="py-line">           <tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-101" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-101', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">.</tt><tt class="py-name">imag</tt><tt class="py-op">*</tt><tt class="py-op">-</tt><tt class="py-number">1j</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">0</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L922"></a><tt class="py-lineno"> 922</tt>  <tt class="py-line">            <tt class="py-keyword">raise</tt> <tt id="link-102" class="py-name" targets="Class SatStress.SatStress.InvalidLoveNumberError=SatStress.SatStress.InvalidLoveNumberError-class.html"><a title="SatStress.SatStress.InvalidLoveNumberError" class="py-name" href="#" onclick="return doclink('link-102', 'InvalidLoveNumberError', 'link-102');">InvalidLoveNumberError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">)</tt> </tt>
</div><a name="L923"></a><tt class="py-lineno"> 923</tt>  <tt class="py-line"> </tt>
<a name="L924"></a><tt class="py-lineno"> 924</tt>  <tt class="py-line">    <tt class="py-comment"># end calcLove()</tt> </tt>
<a name="L925"></a><tt class="py-lineno"> 925</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="StressDef.calcLoveInfinitePeriod"></a><div id="StressDef.calcLoveInfinitePeriod-def"><a name="L926"></a><tt class="py-lineno"> 926</tt> <a class="py-toggle" href="#" id="StressDef.calcLoveInfinitePeriod-toggle" onclick="return toggle('StressDef.calcLoveInfinitePeriod');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#calcLoveInfinitePeriod">calcLoveInfinitePeriod</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L927"></a><tt class="py-lineno"> 927</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L928"></a><tt class="py-lineno"> 928</tt>  <tt class="py-line"><tt class="py-docstring">        Return a set of zero Love numbers constructed statically.</tt> </tt>
<a name="L929"></a><tt class="py-lineno"> 929</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L930"></a><tt class="py-lineno"> 930</tt>  <tt class="py-line"><tt class="py-docstring">        This method is included so we don't have to worry about whether the</tt> </tt>
<a name="L931"></a><tt class="py-lineno"> 931</tt>  <tt class="py-line"><tt class="py-docstring">        Love number code can deal with being given an infinite period.  All</tt> </tt>
<a name="L932"></a><tt class="py-lineno"> 932</tt>  <tt class="py-line"><tt class="py-docstring">        stresses will relax to zero with an infinite period (since the shear</tt> </tt>
<a name="L933"></a><tt class="py-lineno"> 933</tt>  <tt class="py-line"><tt class="py-docstring">        modulus S{mu} goes to zero), so it doesn't really matter what we set</tt> </tt>
<a name="L934"></a><tt class="py-lineno"> 934</tt>  <tt class="py-line"><tt class="py-docstring">        the Love numbers to here.</tt> </tt>
<a name="L935"></a><tt class="py-lineno"> 935</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L936"></a><tt class="py-lineno"> 936</tt>  <tt class="py-line">        <tt class="py-comment"># Yes, I know this actually corresponds to a rigid body.</tt> </tt>
<a name="L937"></a><tt class="py-lineno"> 937</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-103" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-103', 'love', 'link-78');">love</a></tt> <tt class="py-op">=</tt> <tt id="link-104" class="py-name"><a title="SatStress.SatStress.LoveNum" class="py-name" href="#" onclick="return doclink('link-104', 'LoveNum', 'link-79');">LoveNum</a></tt><tt class="py-op">(</tt><tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
</div><a name="L938"></a><tt class="py-lineno"> 938</tt>  <tt class="py-line">         </tt>
<a name="StressDef.calcLoveWahr4LayerExternal"></a><div id="StressDef.calcLoveWahr4LayerExternal-def"><a name="L939"></a><tt class="py-lineno"> 939</tt> <a class="py-toggle" href="#" id="StressDef.calcLoveWahr4LayerExternal-toggle" onclick="return toggle('StressDef.calcLoveWahr4LayerExternal');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#calcLoveWahr4LayerExternal">calcLoveWahr4LayerExternal</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L940"></a><tt class="py-lineno"> 940</tt>  <tt class="py-line">        <tt class="py-docstring">"""Use John Wahr's Love number code to calculate h, k, and l.</tt> </tt>
<a name="L941"></a><tt class="py-lineno"> 941</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L942"></a><tt class="py-lineno"> 942</tt>  <tt class="py-line"><tt class="py-docstring">        At the moment, the code is fairly limited in the kind of input it can</tt> </tt>
<a name="L943"></a><tt class="py-lineno"> 943</tt>  <tt class="py-line"><tt class="py-docstring">        take.  The specified satellite must:</tt> </tt>
<a name="L944"></a><tt class="py-lineno"> 944</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L945"></a><tt class="py-lineno"> 945</tt>  <tt class="py-line"><tt class="py-docstring">          - use a Maxwell rheology</tt> </tt>
<a name="L946"></a><tt class="py-lineno"> 946</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L947"></a><tt class="py-lineno"> 947</tt>  <tt class="py-line"><tt class="py-docstring">          - have a liquid water ocean underlying the ice shell</tt> </tt>
<a name="L948"></a><tt class="py-lineno"> 948</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L949"></a><tt class="py-lineno"> 949</tt>  <tt class="py-line"><tt class="py-docstring">          - have a 4-layer structure (ice_upper, ice_lower, ocean, core)</tt> </tt>
<a name="L950"></a><tt class="py-lineno"> 950</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L951"></a><tt class="py-lineno"> 951</tt>  <tt class="py-line"><tt class="py-docstring">        Eventually the Love number code will be more closely integrated with</tt> </tt>
<a name="L952"></a><tt class="py-lineno"> 952</tt>  <tt class="py-line"><tt class="py-docstring">        this package, allowing more flexibility in the interior structure of</tt> </tt>
<a name="L953"></a><tt class="py-lineno"> 953</tt>  <tt class="py-line"><tt class="py-docstring">        the satellite.</tt> </tt>
<a name="L954"></a><tt class="py-lineno"> 954</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L955"></a><tt class="py-lineno"> 955</tt>  <tt class="py-line"><tt class="py-docstring">        A temporary directory named lovetmp-XXXXXXX (where the X's are a random</tt> </tt>
<a name="L956"></a><tt class="py-lineno"> 956</tt>  <tt class="py-line"><tt class="py-docstring">        hexadecimal number) is created in the current working directory, within</tt> </tt>
<a name="L957"></a><tt class="py-lineno"> 957</tt>  <tt class="py-line"><tt class="py-docstring">        which the Love number code is run.  The directory is deleted</tt> </tt>
<a name="L958"></a><tt class="py-lineno"> 958</tt>  <tt class="py-line"><tt class="py-docstring">        immediately following the calculation.</tt> </tt>
<a name="L959"></a><tt class="py-lineno"> 959</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L960"></a><tt class="py-lineno"> 960</tt>  <tt class="py-line"><tt class="py-docstring">        @raise LoveExcessiveDeltaError: if L{StressDef.Delta}() &gt; 10^9 for</tt> </tt>
<a name="L961"></a><tt class="py-lineno"> 961</tt>  <tt class="py-line"><tt class="py-docstring">        either of the ice layers.</tt> </tt>
<a name="L962"></a><tt class="py-lineno"> 962</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L963"></a><tt class="py-lineno"> 963</tt>  <tt class="py-line">        <tt class="py-comment"># random number generator for creating random temporary filenames:</tt> </tt>
<a name="L964"></a><tt class="py-lineno"> 964</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">import</tt> <tt class="py-name">random</tt> </tt>
<a name="L965"></a><tt class="py-lineno"> 965</tt>  <tt class="py-line">        <tt class="py-comment"># methods for interfacing with the operating system:</tt> </tt>
<a name="L966"></a><tt class="py-lineno"> 966</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">import</tt> <tt class="py-name">os</tt> </tt>
<a name="L967"></a><tt class="py-lineno"> 967</tt>  <tt class="py-line"> </tt>
<a name="L968"></a><tt class="py-lineno"> 968</tt>  <tt class="py-line">        <tt class="py-comment"># make sure that Delta isn't so big that the Love number code will fail.</tt> </tt>
<a name="L969"></a><tt class="py-lineno"> 969</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># For John's Love number code, things work up to about Delta = 10^9</tt> </tt>
<a name="L970"></a><tt class="py-lineno"> 970</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># Note that we need to check for both of the ice layers.</tt> </tt>
<a name="L971"></a><tt class="py-lineno"> 971</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># look at the ice layers to see if they're too gooey for this Love number</tt> </tt>
<a name="L972"></a><tt class="py-lineno"> 972</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># code to deal with.  Negative array indices mean count from the END of the</tt> </tt>
<a name="L973"></a><tt class="py-lineno"> 973</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># list, so, the surface of the satellite is -1, the next-to-surface layer</tt> </tt>
<a name="L974"></a><tt class="py-lineno"> 974</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># is -2, etc.</tt> </tt>
<a name="L975"></a><tt class="py-lineno"> 975</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">for</tt> <tt class="py-name">layer_n</tt> <tt class="py-keyword">in</tt> <tt class="py-op">(</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-op">-</tt><tt class="py-number">2</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
<a name="L976"></a><tt class="py-lineno"> 976</tt>  <tt class="py-line">            <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-105" class="py-name"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-105', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt> <tt class="py-op">&gt;</tt> <tt class="py-number">1e9</tt><tt class="py-op">:</tt> </tt>
<a name="L977"></a><tt class="py-lineno"> 977</tt>  <tt class="py-line">                <tt class="py-keyword">raise</tt> <tt id="link-106" class="py-name" targets="Class SatStress.SatStress.LoveExcessiveDeltaError=SatStress.SatStress.LoveExcessiveDeltaError-class.html"><a title="SatStress.SatStress.LoveExcessiveDeltaError" class="py-name" href="#" onclick="return doclink('link-106', 'LoveExcessiveDeltaError', 'link-106');">LoveExcessiveDeltaError</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">,</tt> <tt class="py-name">layer_n</tt><tt class="py-op">)</tt> </tt>
<a name="L978"></a><tt class="py-lineno"> 978</tt>  <tt class="py-line">        </tt>
<a name="L979"></a><tt class="py-lineno"> 979</tt>  <tt class="py-line">        <tt class="py-name">orig_dir</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">getcwd</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L980"></a><tt class="py-lineno"> 980</tt>  <tt class="py-line"> </tt>
<a name="L981"></a><tt class="py-lineno"> 981</tt>  <tt class="py-line">        <tt class="py-comment"># write an input file that John's Love number code can read</tt> </tt>
<a name="L982"></a><tt class="py-lineno"> 982</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># Because we're doing a bunch of stuff outside of this package's</tt> </tt>
<a name="L983"></a><tt class="py-lineno"> 983</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># confines here... and we really have no idea what the OS is like</tt> </tt>
<a name="L984"></a><tt class="py-lineno"> 984</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># we do this inside a try/except structure... and do our best to</tt> </tt>
<a name="L985"></a><tt class="py-lineno"> 985</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># clean up after ourselves.</tt> </tt>
<a name="L986"></a><tt class="py-lineno"> 986</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L987"></a><tt class="py-lineno"> 987</tt>  <tt class="py-line">            <tt class="py-name">lovetmp</tt> <tt class="py-op">=</tt> <tt class="py-string">"lovetmp-%s"</tt> <tt class="py-op">%</tt> <tt class="py-name">hex</tt><tt class="py-op">(</tt><tt class="py-name">int</tt><tt class="py-op">(</tt><tt class="py-name">random</tt><tt class="py-op">.</tt><tt class="py-name">random</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">2</tt><tt class="py-op">**</tt><tt class="py-number">32</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">:</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt> </tt>
<a name="L988"></a><tt class="py-lineno"> 988</tt>  <tt class="py-line">            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">mkdir</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">)</tt> </tt>
<a name="L989"></a><tt class="py-lineno"> 989</tt>  <tt class="py-line"> </tt>
<a name="L990"></a><tt class="py-lineno"> 990</tt>  <tt class="py-line">            <tt class="py-comment"># We need to be reasonably sure that the Love number code is</tt> </tt>
<a name="L991"></a><tt class="py-lineno"> 991</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># actually in the current PATH.  If the package has been installed</tt> </tt>
<a name="L992"></a><tt class="py-lineno"> 992</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># in the normal way, (using setup.py) then we're fine (the Love</tt> </tt>
<a name="L993"></a><tt class="py-lineno"> 993</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># number code ought to have been installed elsewhere on the</tt> </tt>
<a name="L994"></a><tt class="py-lineno"> 994</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># system), but if we're in the code repository, or if we're just</tt> </tt>
<a name="L995"></a><tt class="py-lineno"> 995</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># doing the tests pre-installation, then the code is in a funny</tt> </tt>
<a name="L996"></a><tt class="py-lineno"> 996</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># spot - so let's add that spot to our PATH explicitly here.</tt> </tt>
<a name="L997"></a><tt class="py-lineno"> 997</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># Unfortunately, this will only work on Unix machines...</tt> </tt>
<a name="L998"></a><tt class="py-lineno"> 998</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">dirname</tt> <tt class="py-op">=</tt> <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">dirname</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">abspath</tt><tt class="py-op">(</tt><tt class="py-name">__file__</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L999"></a><tt class="py-lineno"> 999</tt>  <tt class="py-line">            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">environ</tt><tt class="py-op">[</tt><tt class="py-string">'PATH'</tt><tt class="py-op">]</tt> <tt class="py-op">+=</tt> <tt class="py-string">":%s/Love/JohnWahr"</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">dirname</tt><tt class="py-op">,</tt><tt class="py-op">)</tt> </tt>
<a name="L1000"></a><tt class="py-lineno">1000</tt>  <tt class="py-line"> </tt>
<a name="L1001"></a><tt class="py-lineno">1001</tt>  <tt class="py-line">            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">chdir</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">)</tt> </tt>
<a name="L1002"></a><tt class="py-lineno">1002</tt>  <tt class="py-line">            <tt class="py-name">love_infile</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-string">"in.love"</tt><tt class="py-op">,</tt> <tt class="py-string">'w'</tt><tt class="py-op">)</tt> </tt>
<a name="L1003"></a><tt class="py-lineno">1003</tt>  <tt class="py-line"> </tt>
<a name="L1004"></a><tt class="py-lineno">1004</tt>  <tt class="py-line">            <tt class="py-name">love_infile</tt><tt class="py-op">.</tt><tt class="py-name">write</tt><tt class="py-op">(</tt><tt class="py-string">"""%g             Mean Density of Satellite (g/cm^3)</tt> </tt>
<a name="L1005"></a><tt class="py-lineno">1005</tt>  <tt class="py-line"><tt class="py-string">1               Rheology (1=Maxwell, 0=elastic)</tt> </tt>
<a name="L1006"></a><tt class="py-lineno">1006</tt>  <tt class="py-line"><tt class="py-string">%g              Forcing period (earth days, 86400 seconds)</tt> </tt>
<a name="L1007"></a><tt class="py-lineno">1007</tt>  <tt class="py-line"><tt class="py-string">%g              Viscosity of upper ice layer (Pa sec)</tt> </tt>
<a name="L1008"></a><tt class="py-lineno">1008</tt>  <tt class="py-line"><tt class="py-string">%g              Viscosity of lower ice layer (Pa sec)</tt> </tt>
<a name="L1009"></a><tt class="py-lineno">1009</tt>  <tt class="py-line"><tt class="py-string">%g              Young's modulus for the rocky core</tt> </tt>
<a name="L1010"></a><tt class="py-lineno">1010</tt>  <tt class="py-line"><tt class="py-string">%g              Poisson's ratio for the rocky core</tt> </tt>
<a name="L1011"></a><tt class="py-lineno">1011</tt>  <tt class="py-line"><tt class="py-string">%g              Density of the rocky core (g/cm^3)</tt> </tt>
<a name="L1012"></a><tt class="py-lineno">1012</tt>  <tt class="py-line"><tt class="py-string">%g              Young's modulus for ice</tt> </tt>
<a name="L1013"></a><tt class="py-lineno">1013</tt>  <tt class="py-line"><tt class="py-string">%g              Poisson's ratio for ice</tt> </tt>
<a name="L1014"></a><tt class="py-lineno">1014</tt>  <tt class="py-line"><tt class="py-string">%g              Density of ice</tt> </tt>
<a name="L1015"></a><tt class="py-lineno">1015</tt>  <tt class="py-line"><tt class="py-string">1               Decoupling fluid layer (e.g. global ocean)? (1=yes, 0=no)</tt> </tt>
<a name="L1016"></a><tt class="py-lineno">1016</tt>  <tt class="py-line"><tt class="py-string">%g              Thickness of fluid layer (km)</tt> </tt>
<a name="L1017"></a><tt class="py-lineno">1017</tt>  <tt class="py-line"><tt class="py-string">%g              Density of fluid layer (g/cm^3)</tt> </tt>
<a name="L1018"></a><tt class="py-lineno">1018</tt>  <tt class="py-line"><tt class="py-string">%g              P-wave velocity in fluid layer (km/sec)</tt> </tt>
<a name="L1019"></a><tt class="py-lineno">1019</tt>  <tt class="py-line"><tt class="py-string">%g              Total radius of satellite (km)</tt> </tt>
<a name="L1020"></a><tt class="py-lineno">1020</tt>  <tt class="py-line"><tt class="py-string">%g              Thickness of upper (cold) ice layer (km)</tt> </tt>
<a name="L1021"></a><tt class="py-lineno">1021</tt>  <tt class="py-line"><tt class="py-string">%g              Thickness of lower (warm) ice layer (km)</tt> </tt>
<a name="L1022"></a><tt class="py-lineno">1022</tt>  <tt class="py-line"><tt class="py-string">165             Total number of calculation nodes</tt> </tt>
<a name="L1023"></a><tt class="py-lineno">1023</tt>  <tt class="py-line"><tt class="py-string">3               Number of density discontinuities</tt> </tt>
<a name="L1024"></a><tt class="py-lineno">1024</tt>  <tt class="py-line"><tt class="py-string">154             Node number of innermost boundary</tt> </tt>
<a name="L1025"></a><tt class="py-lineno">1025</tt>  <tt class="py-line"><tt class="py-string">161             Node number of 2nd innermost boundary</tt> </tt>
<a name="L1026"></a><tt class="py-lineno">1026</tt>  <tt class="py-line"><tt class="py-string">163             Node number of 3rd innermost boundary"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-107" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-107', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-108" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-108', 'density', 'link-16');">density</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1027"></a><tt class="py-lineno">1027</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-109" class="py-name"><a title="SatStress.SatStress.StressDef.forcing_period" class="py-name" href="#" onclick="return doclink('link-109', 'forcing_period', 'link-82');">forcing_period</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-number">86400</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1028"></a><tt class="py-lineno">1028</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-110" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-110', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1029"></a><tt class="py-lineno">1029</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-111" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-111', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1030"></a><tt class="py-lineno">1030</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-112" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-112', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-113" class="py-name"><a title="SatStress.SatStress.SatLayer.youngs_modulus" class="py-name" href="#" onclick="return doclink('link-113', 'youngs_modulus', 'link-71');">youngs_modulus</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1031"></a><tt class="py-lineno">1031</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-114" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-114', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-115" class="py-name"><a title="SatStress.SatStress.SatLayer.poissons_ratio" class="py-name" href="#" onclick="return doclink('link-115', 'poissons_ratio', 'link-72');">poissons_ratio</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1032"></a><tt class="py-lineno">1032</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-116" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-116', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-117" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-117', 'density', 'link-16');">density</a></tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1033"></a><tt class="py-lineno">1033</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-118" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-118', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-119" class="py-name"><a title="SatStress.SatStress.SatLayer.youngs_modulus" class="py-name" href="#" onclick="return doclink('link-119', 'youngs_modulus', 'link-71');">youngs_modulus</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1034"></a><tt class="py-lineno">1034</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-120" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-120', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-121" class="py-name"><a title="SatStress.SatStress.SatLayer.poissons_ratio" class="py-name" href="#" onclick="return doclink('link-121', 'poissons_ratio', 'link-72');">poissons_ratio</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1035"></a><tt class="py-lineno">1035</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-122" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-122', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-123" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-123', 'density', 'link-16');">density</a></tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1036"></a><tt class="py-lineno">1036</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-124" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-124', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1037"></a><tt class="py-lineno">1037</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-125" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-125', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-126" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-126', 'density', 'link-16');">density</a></tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1038"></a><tt class="py-lineno">1038</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-127" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-127', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-128" class="py-name"><a title="SatStress.SatStress.SatLayer.p_wave_velocity" class="py-name" href="#" onclick="return doclink('link-128', 'p_wave_velocity', 'link-73');">p_wave_velocity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1039"></a><tt class="py-lineno">1039</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-129" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-129', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-130" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-130', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1040"></a><tt class="py-lineno">1040</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-131" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-131', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1041"></a><tt class="py-lineno">1041</tt>  <tt class="py-line">                                                    <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-132" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-132', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">2</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">thickness</tt><tt class="py-op">/</tt><tt class="py-number">1000.0</tt><tt class="py-op">)</tt> <tt class="py-op">)</tt> </tt>
<a name="L1042"></a><tt class="py-lineno">1042</tt>  <tt class="py-line"> </tt>
<a name="L1043"></a><tt class="py-lineno">1043</tt>  <tt class="py-line">            <tt class="py-name">love_infile</tt><tt class="py-op">.</tt><tt class="py-name">close</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1044"></a><tt class="py-lineno">1044</tt>  <tt class="py-line"> </tt>
<a name="L1045"></a><tt class="py-lineno">1045</tt>  <tt class="py-line">            <tt class="py-comment"># Actually call the code (it looks at in.love and writes to out.love</tt> </tt>
<a name="L1046"></a><tt class="py-lineno">1046</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># in our current working directory)</tt> </tt>
<a name="L1047"></a><tt class="py-lineno">1047</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">popen</tt><tt class="py-op">(</tt><tt class="py-string">'calcLoveWahr4Layer'</tt><tt class="py-op">)</tt> </tt>
<a name="L1048"></a><tt class="py-lineno">1048</tt>  <tt class="py-line"> </tt>
<a name="L1049"></a><tt class="py-lineno">1049</tt>  <tt class="py-line">            <tt class="py-comment"># read in the output file that it creates</tt> </tt>
<a name="L1050"></a><tt class="py-lineno">1050</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># take the last line and strip() off the newline at the end</tt> </tt>
<a name="L1051"></a><tt class="py-lineno">1051</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># then split() it by whitespace</tt> </tt>
<a name="L1052"></a><tt class="py-lineno">1052</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">luv</tt> <tt class="py-op">=</tt> <tt class="py-name">open</tt><tt class="py-op">(</tt><tt class="py-string">"out.love"</tt><tt class="py-op">,</tt> <tt class="py-string">'r'</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">readlines</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">[</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">strip</tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">.</tt><tt class="py-name">split</tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1053"></a><tt class="py-lineno">1053</tt>  <tt class="py-line">            <tt class="py-comment"># extract those fields that correspond to the love numbers</tt> </tt>
<a name="L1054"></a><tt class="py-lineno">1054</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-op">(</tt><tt class="py-name">h2_real</tt><tt class="py-op">,</tt> <tt class="py-name">h2_imag</tt><tt class="py-op">,</tt> <tt class="py-name">k2_real</tt><tt class="py-op">,</tt> <tt class="py-name">k2_imag</tt><tt class="py-op">,</tt> <tt class="py-name">l2_real</tt><tt class="py-op">,</tt> <tt class="py-name">l2_imag</tt><tt class="py-op">)</tt> <tt class="py-op">=</tt> <tt class="py-name">luv</tt><tt class="py-op">[</tt><tt class="py-number">3</tt><tt class="py-op">:</tt><tt class="py-number">5</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-name">luv</tt><tt class="py-op">[</tt><tt class="py-number">6</tt><tt class="py-op">:</tt><tt class="py-number">8</tt><tt class="py-op">]</tt><tt class="py-op">+</tt><tt class="py-name">luv</tt><tt class="py-op">[</tt><tt class="py-number">9</tt><tt class="py-op">:</tt><tt class="py-number">11</tt><tt class="py-op">]</tt> </tt>
<a name="L1055"></a><tt class="py-lineno">1055</tt>  <tt class="py-line">            <tt class="py-comment"># generate a LoveNum Object made of our new love numbers, and return it.</tt> </tt>
<a name="L1056"></a><tt class="py-lineno">1056</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-133" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-133', 'love', 'link-78');">love</a></tt> <tt class="py-op">=</tt> <tt id="link-134" class="py-name"><a title="SatStress.SatStress.LoveNum" class="py-name" href="#" onclick="return doclink('link-134', 'LoveNum', 'link-79');">LoveNum</a></tt><tt class="py-op">(</tt><tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">h2_real</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">h2_imag</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">k2_real</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">k2_imag</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">l2_real</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">l2_imag</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1057"></a><tt class="py-lineno">1057</tt>  <tt class="py-line"> </tt>
<a name="L1058"></a><tt class="py-lineno">1058</tt>  <tt class="py-line">        <tt class="py-keyword">except</tt><tt class="py-op">:</tt> </tt>
<a name="L1059"></a><tt class="py-lineno">1059</tt>  <tt class="py-line">            <tt class="py-comment"># If the above attemped to run the love2 program did cause some</tt> </tt>
<a name="L1060"></a><tt class="py-lineno">1060</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># kind of error, we should just raise the exception up the chain.</tt> </tt>
<a name="L1061"></a><tt class="py-lineno">1061</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-keyword">raise</tt> </tt>
<a name="L1062"></a><tt class="py-lineno">1062</tt>  <tt class="py-line"> </tt>
<a name="L1063"></a><tt class="py-lineno">1063</tt>  <tt class="py-line">        <tt class="py-keyword">finally</tt><tt class="py-op">:</tt> </tt>
<a name="L1064"></a><tt class="py-lineno">1064</tt>  <tt class="py-line">            <tt class="py-comment"># Get back to our original working directory, cleanup after the</tt> </tt>
<a name="L1065"></a><tt class="py-lineno">1065</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># love2 program.  We need to do these things even if our Love number</tt> </tt>
<a name="L1066"></a><tt class="py-lineno">1066</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-comment"># calculation failed somehow...</tt> </tt>
<a name="L1067"></a><tt class="py-lineno">1067</tt>  <tt class="py-line"><tt class="py-comment"></tt>            <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">chdir</tt><tt class="py-op">(</tt><tt class="py-name">orig_dir</tt><tt class="py-op">)</tt> </tt>
<a name="L1068"></a><tt class="py-lineno">1068</tt>  <tt class="py-line">            <tt class="py-keyword">try</tt><tt class="py-op">:</tt> </tt>
<a name="L1069"></a><tt class="py-lineno">1069</tt>  <tt class="py-line">                <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">,</tt> <tt class="py-string">"in.love"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1070"></a><tt class="py-lineno">1070</tt>  <tt class="py-line">                <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">,</tt> <tt class="py-string">"out.love"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1071"></a><tt class="py-lineno">1071</tt>  <tt class="py-line">                <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">remove</tt><tt class="py-op">(</tt><tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">path</tt><tt class="py-op">.</tt><tt class="py-name">join</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">,</tt> <tt class="py-string">"out.model"</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1072"></a><tt class="py-lineno">1072</tt>  <tt class="py-line">                <tt class="py-name">os</tt><tt class="py-op">.</tt><tt class="py-name">rmdir</tt><tt class="py-op">(</tt><tt class="py-name">lovetmp</tt><tt class="py-op">)</tt> </tt>
<a name="L1073"></a><tt class="py-lineno">1073</tt>  <tt class="py-line">            <tt class="py-keyword">except</tt> <tt class="py-name">OSError</tt><tt class="py-op">:</tt> </tt>
<a name="L1074"></a><tt class="py-lineno">1074</tt>  <tt class="py-line">                <tt class="py-comment"># If the Love number calculation DID fail, then the</tt> </tt>
<a name="L1075"></a><tt class="py-lineno">1075</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># above attempt to get rid of the files associated with it</tt> </tt>
<a name="L1076"></a><tt class="py-lineno">1076</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># will probably raise exceptions (directory not found, etc)</tt> </tt>
<a name="L1077"></a><tt class="py-lineno">1077</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-comment"># and that's okay - we just do nothing.</tt> </tt>
<a name="L1078"></a><tt class="py-lineno">1078</tt>  <tt class="py-line"><tt class="py-comment"></tt>                <tt class="py-keyword">pass</tt> </tt>
</div><a name="L1079"></a><tt class="py-lineno">1079</tt>  <tt class="py-line"> </tt>
<a name="L1080"></a><tt class="py-lineno">1080</tt>  <tt class="py-line">    <tt class="py-comment"># end calcLoveJohnWahr4Layer()</tt> </tt>
<a name="L1081"></a><tt class="py-lineno">1081</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="StressDef.Delta"></a><div id="StressDef.Delta-def"><a name="L1082"></a><tt class="py-lineno">1082</tt> <a class="py-toggle" href="#" id="StressDef.Delta-toggle" onclick="return toggle('StressDef.Delta');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Delta">Delta</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">=</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Delta-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Delta-expanded"><a name="L1083"></a><tt class="py-lineno">1083</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1084"></a><tt class="py-lineno">1084</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate S{Delta}, a measure of how viscous the layer's response is.</tt> </tt>
<a name="L1085"></a><tt class="py-lineno">1085</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1086"></a><tt class="py-lineno">1086</tt>  <tt class="py-line"><tt class="py-docstring">        @param layer_n: indicates which satellite layer Delta should be</tt> </tt>
<a name="L1087"></a><tt class="py-lineno">1087</tt>  <tt class="py-line"><tt class="py-docstring">        calculated for, defaulting to the surface (recall that layer 0 is the</tt> </tt>
<a name="L1088"></a><tt class="py-lineno">1088</tt>  <tt class="py-line"><tt class="py-docstring">        core)</tt> </tt>
<a name="L1089"></a><tt class="py-lineno">1089</tt>  <tt class="py-line"><tt class="py-docstring">        @type layer_n: int</tt> </tt>
<a name="L1090"></a><tt class="py-lineno">1090</tt>  <tt class="py-line"><tt class="py-docstring">        @return: S{Delta}= S{mu}/(S{omega}*S{eta})</tt> </tt>
<a name="L1091"></a><tt class="py-lineno">1091</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L1092"></a><tt class="py-lineno">1092</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1093"></a><tt class="py-lineno">1093</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1094"></a><tt class="py-lineno">1094</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-135" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-135', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">layer_n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-136" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-136', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-137" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-137', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">layer_n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">viscosity</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1095"></a><tt class="py-lineno">1095</tt>  <tt class="py-line"> </tt>
<a name="StressDef.Z"></a><div id="StressDef.Z-def"><a name="L1096"></a><tt class="py-lineno">1096</tt> <a class="py-toggle" href="#" id="StressDef.Z-toggle" onclick="return toggle('StressDef.Z');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Z">Z</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Z-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Z-expanded"><a name="L1097"></a><tt class="py-lineno">1097</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1098"></a><tt class="py-lineno">1098</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the value of Z, a constant that sits in front of many terms</tt> </tt>
<a name="L1099"></a><tt class="py-lineno">1099</tt>  <tt class="py-line"><tt class="py-docstring">        in the potential defined by Wahr et al. (2008).</tt> </tt>
<a name="L1100"></a><tt class="py-lineno">1100</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1101"></a><tt class="py-lineno">1101</tt>  <tt class="py-line"><tt class="py-docstring">        @return: Z, a common constant in many of the Wahr et al. potential terms.</tt> </tt>
<a name="L1102"></a><tt class="py-lineno">1102</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L1103"></a><tt class="py-lineno">1103</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1104"></a><tt class="py-lineno">1104</tt>  <tt class="py-line">        <tt class="py-name">numerator</tt> <tt class="py-op">=</tt> <tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">pc</tt><tt class="py-op">.</tt><tt class="py-name">G</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-138" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-138', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-139" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-139', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-140" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-140', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">**</tt><tt class="py-number">2</tt> </tt>
<a name="L1105"></a><tt class="py-lineno">1105</tt>  <tt class="py-line">        <tt class="py-name">denominator</tt> <tt class="py-op">=</tt> <tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-141" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-141', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">orbit_semimajor_axis</tt><tt class="py-op">**</tt><tt class="py-number">3</tt> </tt>
<a name="L1106"></a><tt class="py-lineno">1106</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt> <tt class="py-op">(</tt><tt class="py-name">numerator</tt><tt class="py-op">/</tt><tt class="py-name">denominator</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1107"></a><tt class="py-lineno">1107</tt>  <tt class="py-line">     </tt>
<a name="StressDef.mu_twiddle"></a><div id="StressDef.mu_twiddle-def"><a name="L1108"></a><tt class="py-lineno">1108</tt> <a class="py-toggle" href="#" id="StressDef.mu_twiddle-toggle" onclick="return toggle('StressDef.mu_twiddle');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#mu_twiddle">mu_twiddle</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">=</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.mu_twiddle-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.mu_twiddle-expanded"><a name="L1109"></a><tt class="py-lineno">1109</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1110"></a><tt class="py-lineno">1110</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the frequency-dependent Lame parameter S{mu} for a Maxwell</tt> </tt>
<a name="L1111"></a><tt class="py-lineno">1111</tt>  <tt class="py-line"><tt class="py-docstring">        rheology.</tt> </tt>
<a name="L1112"></a><tt class="py-lineno">1112</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1113"></a><tt class="py-lineno">1113</tt>  <tt class="py-line"><tt class="py-docstring">        @param layer_n: number of layer for which we want to calculate S{mu}, defaults</tt> </tt>
<a name="L1114"></a><tt class="py-lineno">1114</tt>  <tt class="py-line"><tt class="py-docstring">        to the surface (with the core being layer zero).</tt> </tt>
<a name="L1115"></a><tt class="py-lineno">1115</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the frequency-dependent Lame parameter S{mu} for a Maxwell rheology</tt> </tt>
<a name="L1116"></a><tt class="py-lineno">1116</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1117"></a><tt class="py-lineno">1117</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1118"></a><tt class="py-lineno">1118</tt>  <tt class="py-line">         </tt>
<a name="L1119"></a><tt class="py-lineno">1119</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-142" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-142', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">layer_n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-number">1.0</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">1</tt><tt class="py-op">-</tt><tt class="py-number">1.0j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-143" class="py-name"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-143', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1120"></a><tt class="py-lineno">1120</tt>  <tt class="py-line"> </tt>
<a name="StressDef.lambda_twiddle"></a><div id="StressDef.lambda_twiddle-def"><a name="L1121"></a><tt class="py-lineno">1121</tt> <a class="py-toggle" href="#" id="StressDef.lambda_twiddle-toggle" onclick="return toggle('StressDef.lambda_twiddle');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#lambda_twiddle">lambda_twiddle</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">=</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.lambda_twiddle-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.lambda_twiddle-expanded"><a name="L1122"></a><tt class="py-lineno">1122</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1123"></a><tt class="py-lineno">1123</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the frequency-dependent Lame parameter S{lambda} for a</tt> </tt>
<a name="L1124"></a><tt class="py-lineno">1124</tt>  <tt class="py-line"><tt class="py-docstring">        Maxwell rheology.</tt> </tt>
<a name="L1125"></a><tt class="py-lineno">1125</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1126"></a><tt class="py-lineno">1126</tt>  <tt class="py-line"><tt class="py-docstring">        @param layer_n: number of layer for which we want to calculate S{mu}, defaults</tt> </tt>
<a name="L1127"></a><tt class="py-lineno">1127</tt>  <tt class="py-line"><tt class="py-docstring">        to the surface (with the core being layer zero).</tt> </tt>
<a name="L1128"></a><tt class="py-lineno">1128</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the frequency-dependent Lame parameter S{lambda} for a Maxwell</tt> </tt>
<a name="L1129"></a><tt class="py-lineno">1129</tt>  <tt class="py-line"><tt class="py-docstring">        rheology.</tt> </tt>
<a name="L1130"></a><tt class="py-lineno">1130</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1131"></a><tt class="py-lineno">1131</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1132"></a><tt class="py-lineno">1132</tt>  <tt class="py-line"> </tt>
<a name="L1133"></a><tt class="py-lineno">1133</tt>  <tt class="py-line">        <tt class="py-name">lame_lambda</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-144" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-144', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">layer_n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_lambda</tt> </tt>
<a name="L1134"></a><tt class="py-lineno">1134</tt>  <tt class="py-line">        <tt class="py-name">lame_mu</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-145" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-145', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">layer_n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> </tt>
<a name="L1135"></a><tt class="py-lineno">1135</tt>  <tt class="py-line"> </tt>
<a name="L1136"></a><tt class="py-lineno">1136</tt>  <tt class="py-line">        <tt class="py-name">numerator</tt>   <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-number">1.0</tt> <tt class="py-op">-</tt> <tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-146" class="py-name"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-146', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">lame_mu</tt><tt class="py-op">+</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">lame_lambda</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">lame_lambda</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1137"></a><tt class="py-lineno">1137</tt>  <tt class="py-line">        <tt class="py-name">denominator</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-number">1.0</tt> <tt class="py-op">-</tt> <tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-147" class="py-name"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-147', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-name">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1138"></a><tt class="py-lineno">1138</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">lame_lambda</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-name">numerator</tt><tt class="py-op">/</tt><tt class="py-name">denominator</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1139"></a><tt class="py-lineno">1139</tt>  <tt class="py-line"> </tt>
<a name="StressDef.alpha"></a><div id="StressDef.alpha-def"><a name="L1140"></a><tt class="py-lineno">1140</tt> <a class="py-toggle" href="#" id="StressDef.alpha-toggle" onclick="return toggle('StressDef.alpha');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#alpha">alpha</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.alpha-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.alpha-expanded"><a name="L1141"></a><tt class="py-lineno">1141</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1142"></a><tt class="py-lineno">1142</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient alpha twiddle for the surface layer (see</tt> </tt>
<a name="L1143"></a><tt class="py-lineno">1143</tt>  <tt class="py-line"><tt class="py-docstring">        Wahr et al. 2008).</tt> </tt>
<a name="L1144"></a><tt class="py-lineno">1144</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1145"></a><tt class="py-lineno">1145</tt>  <tt class="py-line"><tt class="py-docstring">        @return: Calculate the coefficient alpha twiddle for the surface layer</tt> </tt>
<a name="L1146"></a><tt class="py-lineno">1146</tt>  <tt class="py-line"><tt class="py-docstring">        (see Wahr et al. 2008).</tt> </tt>
<a name="L1147"></a><tt class="py-lineno">1147</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1148"></a><tt class="py-lineno">1148</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1149"></a><tt class="py-lineno">1149</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1150"></a><tt class="py-lineno">1150</tt>  <tt class="py-line">        <tt class="py-name">numerator</tt>   <tt class="py-op">=</tt> <tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-148" class="py-name"><a title="SatStress.SatStress.StressDef.lambda_twiddle" class="py-name" href="#" onclick="return doclink('link-148', 'lambda_twiddle', 'link-85');">lambda_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-149" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-149', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1151"></a><tt class="py-lineno">1151</tt>  <tt class="py-line">        <tt class="py-name">denominator</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-150" class="py-name"><a title="SatStress.SatStress.StressDef.lambda_twiddle" class="py-name" href="#" onclick="return doclink('link-150', 'lambda_twiddle', 'link-85');">lambda_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-151" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-151', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1152"></a><tt class="py-lineno">1152</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">numerator</tt><tt class="py-op">/</tt><tt class="py-name">denominator</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1153"></a><tt class="py-lineno">1153</tt>  <tt class="py-line"> </tt>
<a name="StressDef.Gamma"></a><div id="StressDef.Gamma-def"><a name="L1154"></a><tt class="py-lineno">1154</tt> <a class="py-toggle" href="#" id="StressDef.Gamma-toggle" onclick="return toggle('StressDef.Gamma');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Gamma">Gamma</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Gamma-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Gamma-expanded"><a name="L1155"></a><tt class="py-lineno">1155</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1156"></a><tt class="py-lineno">1156</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient capital Gamma twiddle for the surface layer</tt> </tt>
<a name="L1157"></a><tt class="py-lineno">1157</tt>  <tt class="py-line"><tt class="py-docstring">        (see Wahr et al. 2008).</tt> </tt>
<a name="L1158"></a><tt class="py-lineno">1158</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1159"></a><tt class="py-lineno">1159</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the coefficient capital Gamma twiddle for the surface layer</tt> </tt>
<a name="L1160"></a><tt class="py-lineno">1160</tt>  <tt class="py-line"><tt class="py-docstring">        (see Wahr et al. 2008).</tt> </tt>
<a name="L1161"></a><tt class="py-lineno">1161</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1162"></a><tt class="py-lineno">1162</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1163"></a><tt class="py-lineno">1163</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-152" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-152', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-153" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-153', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1164"></a><tt class="py-lineno">1164</tt>  <tt class="py-line"> </tt>
<a name="StressDef.b1"></a><div id="StressDef.b1-def"><a name="L1165"></a><tt class="py-lineno">1165</tt> <a class="py-toggle" href="#" id="StressDef.b1-toggle" onclick="return toggle('StressDef.b1');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#b1">b1</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.b1-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.b1-expanded"><a name="L1166"></a><tt class="py-lineno">1166</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1167"></a><tt class="py-lineno">1167</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient beta one twiddle for the surface layer (see Wahr et al. 2008).</tt> </tt>
<a name="L1168"></a><tt class="py-lineno">1168</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1169"></a><tt class="py-lineno">1169</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the coefficient beta one twiddle for the surface layer (see Wahr et al. 2008).</tt> </tt>
<a name="L1170"></a><tt class="py-lineno">1170</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1171"></a><tt class="py-lineno">1171</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1172"></a><tt class="py-lineno">1172</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-154" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-154', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-155" class="py-name" targets="Method SatStress.SatStress.StressDef.alpha()=SatStress.SatStress.StressDef-class.html#alpha"><a title="SatStress.SatStress.StressDef.alpha" class="py-name" href="#" onclick="return doclink('link-155', 'alpha', 'link-155');">alpha</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-156" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-156', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-157" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-157', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-158" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-158', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1173"></a><tt class="py-lineno">1173</tt>  <tt class="py-line"> </tt>
<a name="StressDef.g1"></a><div id="StressDef.g1-def"><a name="L1174"></a><tt class="py-lineno">1174</tt> <a class="py-toggle" href="#" id="StressDef.g1-toggle" onclick="return toggle('StressDef.g1');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#g1">g1</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.g1-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.g1-expanded"><a name="L1175"></a><tt class="py-lineno">1175</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1176"></a><tt class="py-lineno">1176</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient gamma one twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1177"></a><tt class="py-lineno">1177</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1178"></a><tt class="py-lineno">1178</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the coefficient gamma one twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1179"></a><tt class="py-lineno">1179</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1180"></a><tt class="py-lineno">1180</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1181"></a><tt class="py-lineno">1181</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-159" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-159', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-160" class="py-name"><a title="SatStress.SatStress.StressDef.alpha" class="py-name" href="#" onclick="return doclink('link-160', 'alpha', 'link-155');">alpha</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-161" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-161', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-162" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-162', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-163" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-163', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1182"></a><tt class="py-lineno">1182</tt>  <tt class="py-line">     </tt>
<a name="StressDef.b2"></a><div id="StressDef.b2-def"><a name="L1183"></a><tt class="py-lineno">1183</tt> <a class="py-toggle" href="#" id="StressDef.b2-toggle" onclick="return toggle('StressDef.b2');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#b2">b2</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.b2-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.b2-expanded"><a name="L1184"></a><tt class="py-lineno">1184</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1185"></a><tt class="py-lineno">1185</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient beta two twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1186"></a><tt class="py-lineno">1186</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1187"></a><tt class="py-lineno">1187</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the coefficient beta two twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1188"></a><tt class="py-lineno">1188</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1189"></a><tt class="py-lineno">1189</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1190"></a><tt class="py-lineno">1190</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-164" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-164', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-165" class="py-name"><a title="SatStress.SatStress.StressDef.alpha" class="py-name" href="#" onclick="return doclink('link-165', 'alpha', 'link-155');">alpha</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-166" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-166', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-167" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-167', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-168" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-168', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1191"></a><tt class="py-lineno">1191</tt>  <tt class="py-line"> </tt>
<a name="StressDef.g2"></a><div id="StressDef.g2-def"><a name="L1192"></a><tt class="py-lineno">1192</tt> <a class="py-toggle" href="#" id="StressDef.g2-toggle" onclick="return toggle('StressDef.g2');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#g2">g2</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.g2-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.g2-expanded"><a name="L1193"></a><tt class="py-lineno">1193</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1194"></a><tt class="py-lineno">1194</tt>  <tt class="py-line"><tt class="py-docstring">        Calculate the coefficient gamma two twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1195"></a><tt class="py-lineno">1195</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the coefficient gamma two twiddle for the surface layer (see Wahr et al. (2008)).</tt> </tt>
<a name="L1196"></a><tt class="py-lineno">1196</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: complex</tt> </tt>
<a name="L1197"></a><tt class="py-lineno">1197</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1198"></a><tt class="py-lineno">1198</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-169" class="py-name"><a title="SatStress.SatStress.StressDef.mu_twiddle" class="py-name" href="#" onclick="return doclink('link-169', 'mu_twiddle', 'link-83');">mu_twiddle</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-170" class="py-name"><a title="SatStress.SatStress.StressDef.alpha" class="py-name" href="#" onclick="return doclink('link-170', 'alpha', 'link-155');">alpha</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-171" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-171', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">h2</tt><tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-172" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-172', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-173" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-173', 'love', 'link-78');">love</a></tt><tt class="py-op">.</tt><tt class="py-name">l2</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1199"></a><tt class="py-lineno">1199</tt>  <tt class="py-line"> </tt>
<a name="L1200"></a><tt class="py-lineno">1200</tt>  <tt class="py-line">    <tt class="py-comment"># end Common StressDef Methods </tt> </tt>
<a name="L1201"></a><tt class="py-lineno">1201</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="StressDef.Ttt"></a><div id="StressDef.Ttt-def"><a name="L1202"></a><tt class="py-lineno">1202</tt> <a class="py-toggle" href="#" id="StressDef.Ttt-toggle" onclick="return toggle('StressDef.Ttt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Ttt">Ttt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Ttt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Ttt-expanded"><a name="L1203"></a><tt class="py-lineno">1203</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1204"></a><tt class="py-lineno">1204</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{theta}S{theta} (north-south) component of the</tt> </tt>
<a name="L1205"></a><tt class="py-lineno">1205</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1206"></a><tt class="py-lineno">1206</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1207"></a><tt class="py-lineno">1207</tt>  <tt class="py-line"><tt class="py-docstring">        In the base class, this is a purely virtual method - it must be defined</tt> </tt>
<a name="L1208"></a><tt class="py-lineno">1208</tt>  <tt class="py-line"><tt class="py-docstring">        by the subclasses that describe particular tidal stresses.</tt> </tt>
<a name="L1209"></a><tt class="py-lineno">1209</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1210"></a><tt class="py-lineno">1210</tt>  <tt class="py-line"><tt class="py-docstring">        @param theta: the co-latitude of the point at which to calculate the stress [rad].</tt> </tt>
<a name="L1211"></a><tt class="py-lineno">1211</tt>  <tt class="py-line"><tt class="py-docstring">        @type theta: float</tt> </tt>
<a name="L1212"></a><tt class="py-lineno">1212</tt>  <tt class="py-line"><tt class="py-docstring">        @param phi: the east-positive longitude of the point at which to</tt> </tt>
<a name="L1213"></a><tt class="py-lineno">1213</tt>  <tt class="py-line"><tt class="py-docstring">        calculate the stress [rad].</tt> </tt>
<a name="L1214"></a><tt class="py-lineno">1214</tt>  <tt class="py-line"><tt class="py-docstring">        @type phi: float</tt> </tt>
<a name="L1215"></a><tt class="py-lineno">1215</tt>  <tt class="py-line"><tt class="py-docstring">        @param t: the time, in seconds elapsed since pericenter, at which to perform the</tt> </tt>
<a name="L1216"></a><tt class="py-lineno">1216</tt>  <tt class="py-line"><tt class="py-docstring">        stress calculation [s].</tt> </tt>
<a name="L1217"></a><tt class="py-lineno">1217</tt>  <tt class="py-line"><tt class="py-docstring">        @type t: float</tt> </tt>
<a name="L1218"></a><tt class="py-lineno">1218</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the S{tau}_S{theta}S{theta} component of the 2x2 membrane stress tensor.</tt> </tt>
<a name="L1219"></a><tt class="py-lineno">1219</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L1220"></a><tt class="py-lineno">1220</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1221"></a><tt class="py-lineno">1221</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1222"></a><tt class="py-lineno">1222</tt>  <tt class="py-line">        <tt class="py-keyword">pass</tt> </tt>
</div><a name="L1223"></a><tt class="py-lineno">1223</tt>  <tt class="py-line"> </tt>
<a name="StressDef.Tpp"></a><div id="StressDef.Tpp-def"><a name="L1224"></a><tt class="py-lineno">1224</tt> <a class="py-toggle" href="#" id="StressDef.Tpp-toggle" onclick="return toggle('StressDef.Tpp');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Tpp">Tpp</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Tpp-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Tpp-expanded"><a name="L1225"></a><tt class="py-lineno">1225</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1226"></a><tt class="py-lineno">1226</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{phi} (east-west) component of the stress tensor.</tt> </tt>
<a name="L1227"></a><tt class="py-lineno">1227</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1228"></a><tt class="py-lineno">1228</tt>  <tt class="py-line"><tt class="py-docstring">        In the base class, this is a purely virtual method - it must be defined</tt> </tt>
<a name="L1229"></a><tt class="py-lineno">1229</tt>  <tt class="py-line"><tt class="py-docstring">        by the subclasses that describe particular tidal stresses.</tt> </tt>
<a name="L1230"></a><tt class="py-lineno">1230</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1231"></a><tt class="py-lineno">1231</tt>  <tt class="py-line"><tt class="py-docstring">        @param theta: the co-latitude of the point at which to calculate the stress [rad].</tt> </tt>
<a name="L1232"></a><tt class="py-lineno">1232</tt>  <tt class="py-line"><tt class="py-docstring">        @type theta: float</tt> </tt>
<a name="L1233"></a><tt class="py-lineno">1233</tt>  <tt class="py-line"><tt class="py-docstring">        @param phi: the east-positive longitude of the point at which to</tt> </tt>
<a name="L1234"></a><tt class="py-lineno">1234</tt>  <tt class="py-line"><tt class="py-docstring">        calculate the stress [rad].</tt> </tt>
<a name="L1235"></a><tt class="py-lineno">1235</tt>  <tt class="py-line"><tt class="py-docstring">        @type phi: float</tt> </tt>
<a name="L1236"></a><tt class="py-lineno">1236</tt>  <tt class="py-line"><tt class="py-docstring">        @param t: the time, in seconds elapsed since pericenter, at which to perform the</tt> </tt>
<a name="L1237"></a><tt class="py-lineno">1237</tt>  <tt class="py-line"><tt class="py-docstring">        stress calculation [s].</tt> </tt>
<a name="L1238"></a><tt class="py-lineno">1238</tt>  <tt class="py-line"><tt class="py-docstring">        @type t: float</tt> </tt>
<a name="L1239"></a><tt class="py-lineno">1239</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the S{tau}_S{phi}S{phi} component of the 2x2 membrane stress tensor.</tt> </tt>
<a name="L1240"></a><tt class="py-lineno">1240</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L1241"></a><tt class="py-lineno">1241</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1242"></a><tt class="py-lineno">1242</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1243"></a><tt class="py-lineno">1243</tt>  <tt class="py-line">        <tt class="py-keyword">pass</tt> </tt>
</div><a name="L1244"></a><tt class="py-lineno">1244</tt>  <tt class="py-line"> </tt>
<a name="StressDef.Tpt"></a><div id="StressDef.Tpt-def"><a name="L1245"></a><tt class="py-lineno">1245</tt> <a class="py-toggle" href="#" id="StressDef.Tpt-toggle" onclick="return toggle('StressDef.Tpt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressDef-class.html#Tpt">Tpt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressDef.Tpt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressDef.Tpt-expanded"><a name="L1246"></a><tt class="py-lineno">1246</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1247"></a><tt class="py-lineno">1247</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{theta} (off-diagonal) component of the</tt> </tt>
<a name="L1248"></a><tt class="py-lineno">1248</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1249"></a><tt class="py-lineno">1249</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1250"></a><tt class="py-lineno">1250</tt>  <tt class="py-line"><tt class="py-docstring">        In the base class, this is a purely virtual method - it must be defined</tt> </tt>
<a name="L1251"></a><tt class="py-lineno">1251</tt>  <tt class="py-line"><tt class="py-docstring">        by the subclasses that describe particular tidal stresses.</tt> </tt>
<a name="L1252"></a><tt class="py-lineno">1252</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1253"></a><tt class="py-lineno">1253</tt>  <tt class="py-line"><tt class="py-docstring">        @param theta: the co-latitude of the point at which to calculate the stress [rad].</tt> </tt>
<a name="L1254"></a><tt class="py-lineno">1254</tt>  <tt class="py-line"><tt class="py-docstring">        @type theta: float</tt> </tt>
<a name="L1255"></a><tt class="py-lineno">1255</tt>  <tt class="py-line"><tt class="py-docstring">        @param phi: the east-positive longitude of the point at which to</tt> </tt>
<a name="L1256"></a><tt class="py-lineno">1256</tt>  <tt class="py-line"><tt class="py-docstring">        calculate the stress [rad].</tt> </tt>
<a name="L1257"></a><tt class="py-lineno">1257</tt>  <tt class="py-line"><tt class="py-docstring">        @type phi: float</tt> </tt>
<a name="L1258"></a><tt class="py-lineno">1258</tt>  <tt class="py-line"><tt class="py-docstring">        @param t: the time in seconds elapsed since pericenter, at which to perform the</tt> </tt>
<a name="L1259"></a><tt class="py-lineno">1259</tt>  <tt class="py-line"><tt class="py-docstring">        stress calculation [s].</tt> </tt>
<a name="L1260"></a><tt class="py-lineno">1260</tt>  <tt class="py-line"><tt class="py-docstring">        @type t: float</tt> </tt>
<a name="L1261"></a><tt class="py-lineno">1261</tt>  <tt class="py-line"><tt class="py-docstring">        @return: the S{tau}_S{phi}S{theta} component of the 2x2 membrane stress tensor.</tt> </tt>
<a name="L1262"></a><tt class="py-lineno">1262</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: float</tt> </tt>
<a name="L1263"></a><tt class="py-lineno">1263</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1264"></a><tt class="py-lineno">1264</tt>  <tt class="py-line">        <tt class="py-keyword">pass</tt> </tt>
</div></div><a name="L1265"></a><tt class="py-lineno">1265</tt>  <tt class="py-line"> </tt>
<a name="L1266"></a><tt class="py-lineno">1266</tt>  <tt class="py-line"><tt class="py-comment">#  end class StressDef</tt> </tt>
<a name="L1267"></a><tt class="py-lineno">1267</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="NSR"></a><div id="NSR-def"><a name="L1268"></a><tt class="py-lineno">1268</tt> <a class="py-toggle" href="#" id="NSR-toggle" onclick="return toggle('NSR');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NSR-class.html">NSR</a><tt class="py-op">(</tt><tt class="py-base-class">StressDef</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L1269"></a><tt class="py-lineno">1269</tt>  <tt class="py-line">    <tt class="py-docstring">"""An object defining the stress field which arises from the</tt> </tt>
<a name="L1270"></a><tt class="py-lineno">1270</tt>  <tt class="py-line"><tt class="py-docstring">    non-synchronous rotation (NSR) of a satellite's icy shell.</tt> </tt>
<a name="L1271"></a><tt class="py-lineno">1271</tt>  <tt class="py-line"><tt class="py-docstring">    </tt> </tt>
<a name="L1272"></a><tt class="py-lineno">1272</tt>  <tt class="py-line"><tt class="py-docstring">    NSR is a subclass of L{StressDef}.  See the derivation and detailed</tt> </tt>
<a name="L1273"></a><tt class="py-lineno">1273</tt>  <tt class="py-line"><tt class="py-docstring">    discussion of this stress field in in Wahr et al. (2008).</tt> </tt>
<a name="L1274"></a><tt class="py-lineno">1274</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L1275"></a><tt class="py-lineno">1275</tt>  <tt class="py-line"> </tt>
<a name="NSR.__init__"></a><div id="NSR.__init__-def"><a name="L1276"></a><tt class="py-lineno">1276</tt> <a class="py-toggle" href="#" id="NSR.__init__-toggle" onclick="return toggle('NSR.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NSR-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">satellite</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NSR.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NSR.__init__-expanded"><a name="L1277"></a><tt class="py-lineno">1277</tt>  <tt class="py-line">        <tt class="py-docstring">"""Initialize the definition of the stresses due to NSR of the ice shell.</tt> </tt>
<a name="L1278"></a><tt class="py-lineno">1278</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1279"></a><tt class="py-lineno">1279</tt>  <tt class="py-line"><tt class="py-docstring">        The forcing frequency S{omega} is the frequency with which a point on</tt> </tt>
<a name="L1280"></a><tt class="py-lineno">1280</tt>  <tt class="py-line"><tt class="py-docstring">        the surface passes through a single hemisphere, because the NSR stress</tt> </tt>
<a name="L1281"></a><tt class="py-lineno">1281</tt>  <tt class="py-line"><tt class="py-docstring">        field is degree 2 (that is, it's 2x the expected S{omega} from a full</tt> </tt>
<a name="L1282"></a><tt class="py-lineno">1282</tt>  <tt class="py-line"><tt class="py-docstring">        rotation)</tt> </tt>
<a name="L1283"></a><tt class="py-lineno">1283</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1284"></a><tt class="py-lineno">1284</tt>  <tt class="py-line"><tt class="py-docstring">        Because the core is not subject to the NSR forcing (it remains tidally</tt> </tt>
<a name="L1285"></a><tt class="py-lineno">1285</tt>  <tt class="py-line"><tt class="py-docstring">        locked and synchronously rotating), all stresses within it are presumed</tt> </tt>
<a name="L1286"></a><tt class="py-lineno">1286</tt>  <tt class="py-line"><tt class="py-docstring">        to relax away, allowing it to deform into a tri-axial ellipsoid, with</tt> </tt>
<a name="L1287"></a><tt class="py-lineno">1287</tt>  <tt class="py-line"><tt class="py-docstring">        its long axis pointing toward the parent planet.  In order to allow for</tt> </tt>
<a name="L1288"></a><tt class="py-lineno">1288</tt>  <tt class="py-line"><tt class="py-docstring">        this relaxation the shear modulus (S{mu}) of the core is set to an</tt> </tt>
<a name="L1289"></a><tt class="py-lineno">1289</tt>  <tt class="py-line"><tt class="py-docstring">        artificially low value for the purpose of the Love number calculation.</tt> </tt>
<a name="L1290"></a><tt class="py-lineno">1290</tt>  <tt class="py-line"><tt class="py-docstring">        This increases the magnitude of the radial deformation (and the Love</tt> </tt>
<a name="L1291"></a><tt class="py-lineno">1291</tt>  <tt class="py-line"><tt class="py-docstring">        number h2) significantly.  See Wahr et al. (2008) for complete</tt> </tt>
<a name="L1292"></a><tt class="py-lineno">1292</tt>  <tt class="py-line"><tt class="py-docstring">        discussion.</tt> </tt>
<a name="L1293"></a><tt class="py-lineno">1293</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1294"></a><tt class="py-lineno">1294</tt>  <tt class="py-line"><tt class="py-docstring">        @param satellite: the satellite to which the stress is being applied.</tt> </tt>
<a name="L1295"></a><tt class="py-lineno">1295</tt>  <tt class="py-line"><tt class="py-docstring">        @type satellite: L{Satellite}</tt> </tt>
<a name="L1296"></a><tt class="py-lineno">1296</tt>  <tt class="py-line"><tt class="py-docstring">        @return: an object defining the NSR stresses for a particular satellite.</tt> </tt>
<a name="L1297"></a><tt class="py-lineno">1297</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{NSR}</tt> </tt>
<a name="L1298"></a><tt class="py-lineno">1298</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1299"></a><tt class="py-lineno">1299</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1300"></a><tt class="py-lineno">1300</tt>  <tt class="py-line"> </tt>
<a name="L1301"></a><tt class="py-lineno">1301</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt> <tt class="py-op">=</tt> <tt class="py-string">'NSR'</tt> </tt>
<a name="L1302"></a><tt class="py-lineno">1302</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-174" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-174', 'satellite', 'link-77');">satellite</a></tt> <tt class="py-op">=</tt> <tt id="link-175" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-175', 'satellite', 'link-77');">satellite</a></tt> </tt>
<a name="L1303"></a><tt class="py-lineno">1303</tt>  <tt class="py-line">        <tt class="py-comment"># Set the core's shear modulus to be low, so we get a core that responds to</tt> </tt>
<a name="L1304"></a><tt class="py-lineno">1304</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># the NSR forcing nearly as a fluid:</tt> </tt>
<a name="L1305"></a><tt class="py-lineno">1305</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-176" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-176', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-177" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-177', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">/</tt><tt class="py-number">1000</tt> </tt>
<a name="L1306"></a><tt class="py-lineno">1306</tt>  <tt class="py-line"> </tt>
<a name="L1307"></a><tt class="py-lineno">1307</tt>  <tt class="py-line">        <tt class="py-comment"># For NSR, the forcing period is only half the NSR period (or the forcing</tt> </tt>
<a name="L1308"></a><tt class="py-lineno">1308</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># frequency is twice the NSR frequency) because the shell goes through an</tt> </tt>
<a name="L1309"></a><tt class="py-lineno">1309</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># an entire oscillation in half a rotation.  That's why this has 4*pi instead</tt> </tt>
<a name="L1310"></a><tt class="py-lineno">1310</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># of only 2*pi.</tt> </tt>
<a name="L1311"></a><tt class="py-lineno">1311</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-178" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-178', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">=</tt> <tt class="py-number">4.0</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">pi</tt><tt class="py-op">/</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-179" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-179', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt> </tt>
<a name="L1312"></a><tt class="py-lineno">1312</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-180" class="py-name" targets="Method SatStress.SatStress.StressDef.calcLove()=SatStress.SatStress.StressDef-class.html#calcLove"><a title="SatStress.SatStress.StressDef.calcLove" class="py-name" href="#" onclick="return doclink('link-180', 'calcLove', 'link-180');">calcLove</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1313"></a><tt class="py-lineno">1313</tt>  <tt class="py-line"> </tt>
<a name="L1314"></a><tt class="py-lineno">1314</tt>  <tt class="py-line">        <tt class="py-comment"># Restore the satellite's core to normal...</tt> </tt>
<a name="L1315"></a><tt class="py-lineno">1315</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-181" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-181', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-182" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-182', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-number">0</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">lame_mu</tt><tt class="py-op">*</tt><tt class="py-number">1000</tt> </tt>
</div><a name="L1316"></a><tt class="py-lineno">1316</tt>  <tt class="py-line"> </tt>
<a name="NSR.Ttt"></a><div id="NSR.Ttt-def"><a name="L1317"></a><tt class="py-lineno">1317</tt> <a class="py-toggle" href="#" id="NSR.Ttt-toggle" onclick="return toggle('NSR.Ttt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NSR-class.html#Ttt">Ttt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NSR.Ttt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NSR.Ttt-expanded"><a name="L1318"></a><tt class="py-lineno">1318</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1319"></a><tt class="py-lineno">1319</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{theta}S{theta} (north-south) component of the</tt> </tt>
<a name="L1320"></a><tt class="py-lineno">1320</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1321"></a><tt class="py-lineno">1321</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1322"></a><tt class="py-lineno">1322</tt>  <tt class="py-line">         </tt>
<a name="L1323"></a><tt class="py-lineno">1323</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-183" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-183', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L1324"></a><tt class="py-lineno">1324</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
<a name="L1325"></a><tt class="py-lineno">1325</tt>  <tt class="py-line">        <tt class="py-name">TttN</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-184" class="py-name" targets="Method SatStress.SatStress.StressDef.b1()=SatStress.SatStress.StressDef-class.html#b1"><a title="SatStress.SatStress.StressDef.b1" class="py-name" href="#" onclick="return doclink('link-184', 'b1', 'link-184');">b1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-185" class="py-name" targets="Method SatStress.SatStress.StressDef.g1()=SatStress.SatStress.StressDef-class.html#g1"><a title="SatStress.SatStress.StressDef.g1" class="py-name" href="#" onclick="return doclink('link-185', 'g1', 'link-185');">g1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-186" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-186', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1326"></a><tt class="py-lineno">1326</tt>  <tt class="py-line">        <tt class="py-name">TttN</tt> <tt class="py-op">=</tt> <tt class="py-name">TttN</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> </tt>
<a name="L1327"></a><tt class="py-lineno">1327</tt>  <tt class="py-line">        <tt class="py-name">TttN</tt> <tt class="py-op">=</tt> <tt class="py-name">TttN</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-187" class="py-name" targets="Method SatStress.SatStress.StressDef.Z()=SatStress.SatStress.StressDef-class.html#Z"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-187', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-188" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-188', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-189" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-189', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-190" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-190', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-191" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-191', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1328"></a><tt class="py-lineno">1328</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TttN</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1329"></a><tt class="py-lineno">1329</tt>  <tt class="py-line"> </tt>
<a name="NSR.Tpp"></a><div id="NSR.Tpp-def"><a name="L1330"></a><tt class="py-lineno">1330</tt> <a class="py-toggle" href="#" id="NSR.Tpp-toggle" onclick="return toggle('NSR.Tpp');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NSR-class.html#Tpp">Tpp</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NSR.Tpp-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NSR.Tpp-expanded"><a name="L1331"></a><tt class="py-lineno">1331</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1332"></a><tt class="py-lineno">1332</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{phi} (east-west) component of the stress tensor.</tt> </tt>
<a name="L1333"></a><tt class="py-lineno">1333</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1334"></a><tt class="py-lineno">1334</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-192" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-192', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L1335"></a><tt class="py-lineno">1335</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
<a name="L1336"></a><tt class="py-lineno">1336</tt>  <tt class="py-line">        <tt class="py-name">TppN</tt> <tt class="py-op">=</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-193" class="py-name" targets="Method SatStress.SatStress.StressDef.b2()=SatStress.SatStress.StressDef-class.html#b2"><a title="SatStress.SatStress.StressDef.b2" class="py-name" href="#" onclick="return doclink('link-193', 'b2', 'link-193');">b2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-194" class="py-name" targets="Method SatStress.SatStress.StressDef.g2()=SatStress.SatStress.StressDef-class.html#g2"><a title="SatStress.SatStress.StressDef.g2" class="py-name" href="#" onclick="return doclink('link-194', 'g2', 'link-194');">g2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-195" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-195', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1337"></a><tt class="py-lineno">1337</tt>  <tt class="py-line">        <tt class="py-name">TppN</tt> <tt class="py-op">=</tt> <tt class="py-name">TppN</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> </tt>
<a name="L1338"></a><tt class="py-lineno">1338</tt>  <tt class="py-line">        <tt class="py-name">TppN</tt> <tt class="py-op">=</tt> <tt class="py-name">TppN</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-196" class="py-name"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-196', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-197" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-197', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-198" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-198', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-199" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-199', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-200" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-200', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1339"></a><tt class="py-lineno">1339</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TppN</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1340"></a><tt class="py-lineno">1340</tt>  <tt class="py-line"> </tt>
<a name="NSR.Tpt"></a><div id="NSR.Tpt-def"><a name="L1341"></a><tt class="py-lineno">1341</tt> <a class="py-toggle" href="#" id="NSR.Tpt-toggle" onclick="return toggle('NSR.Tpt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NSR-class.html#Tpt">Tpt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NSR.Tpt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NSR.Tpt-expanded"><a name="L1342"></a><tt class="py-lineno">1342</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1343"></a><tt class="py-lineno">1343</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{theta} (off-diagonal) component of the</tt> </tt>
<a name="L1344"></a><tt class="py-lineno">1344</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1345"></a><tt class="py-lineno">1345</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1346"></a><tt class="py-lineno">1346</tt>  <tt class="py-line">         </tt>
<a name="L1347"></a><tt class="py-lineno">1347</tt>  <tt class="py-line">        <tt class="py-keyword">if</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-201" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-201', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">==</tt> <tt class="py-number">0</tt><tt class="py-op">:</tt> </tt>
<a name="L1348"></a><tt class="py-lineno">1348</tt>  <tt class="py-line">            <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-number">0.0</tt><tt class="py-op">)</tt> </tt>
<a name="L1349"></a><tt class="py-lineno">1349</tt>  <tt class="py-line">        <tt class="py-name">TptN</tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-202" class="py-name" targets="Method SatStress.SatStress.StressDef.Gamma()=SatStress.SatStress.StressDef-class.html#Gamma"><a title="SatStress.SatStress.StressDef.Gamma" class="py-name" href="#" onclick="return doclink('link-202', 'Gamma', 'link-202');">Gamma</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">+</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-203" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-203', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt> </tt>
<a name="L1350"></a><tt class="py-lineno">1350</tt>  <tt class="py-line">        <tt class="py-name">TptN</tt> <tt class="py-op">=</tt> <tt class="py-name">TptN</tt><tt class="py-op">.</tt><tt class="py-name">real</tt> </tt>
<a name="L1351"></a><tt class="py-lineno">1351</tt>  <tt class="py-line">        <tt class="py-name">TptN</tt> <tt class="py-op">=</tt> <tt class="py-name">TptN</tt> <tt class="py-op">*</tt> <tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-204" class="py-name"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-204', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-205" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-205', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-206" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-206', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-207" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-207', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-208" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-208', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1352"></a><tt class="py-lineno">1352</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TptN</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1353"></a><tt class="py-lineno">1353</tt>  <tt class="py-line"> </tt>
<a name="L1354"></a><tt class="py-lineno">1354</tt>  <tt class="py-line"><tt class="py-comment">#  end class NSR</tt> </tt>
<a name="L1355"></a><tt class="py-lineno">1355</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="Diurnal"></a><div id="Diurnal-def"><a name="L1356"></a><tt class="py-lineno">1356</tt> <a class="py-toggle" href="#" id="Diurnal-toggle" onclick="return toggle('Diurnal');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.Diurnal-class.html">Diurnal</a><tt class="py-op">(</tt><tt class="py-base-class">StressDef</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Diurnal-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="Diurnal-expanded"><a name="L1357"></a><tt class="py-lineno">1357</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1358"></a><tt class="py-lineno">1358</tt>  <tt class="py-line"><tt class="py-docstring">    An object defining the stress field that arises on a satellite due to an</tt> </tt>
<a name="L1359"></a><tt class="py-lineno">1359</tt>  <tt class="py-line"><tt class="py-docstring">    eccentric orbit.</tt> </tt>
<a name="L1360"></a><tt class="py-lineno">1360</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1361"></a><tt class="py-lineno">1361</tt>  <tt class="py-line"><tt class="py-docstring">    Diurnal is a subclass of L{StressDef}.  See the derivation and detailed</tt> </tt>
<a name="L1362"></a><tt class="py-lineno">1362</tt>  <tt class="py-line"><tt class="py-docstring">    discussion of this stress field in in Wahr et al. (2008).</tt> </tt>
<a name="L1363"></a><tt class="py-lineno">1363</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L1364"></a><tt class="py-lineno">1364</tt>  <tt class="py-line"> </tt>
<a name="Diurnal.__init__"></a><div id="Diurnal.__init__-def"><a name="L1365"></a><tt class="py-lineno">1365</tt> <a class="py-toggle" href="#" id="Diurnal.__init__-toggle" onclick="return toggle('Diurnal.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Diurnal-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">satellite</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Diurnal.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Diurnal.__init__-expanded"><a name="L1366"></a><tt class="py-lineno">1366</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1367"></a><tt class="py-lineno">1367</tt>  <tt class="py-line"><tt class="py-docstring">        Sets the object's satellite and omega attributes; calculates Love numbers.</tt> </tt>
<a name="L1368"></a><tt class="py-lineno">1368</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1369"></a><tt class="py-lineno">1369</tt>  <tt class="py-line"><tt class="py-docstring">        @param satellite: the satellite to which the stress is being applied.</tt> </tt>
<a name="L1370"></a><tt class="py-lineno">1370</tt>  <tt class="py-line"><tt class="py-docstring">        @type satellite: L{Satellite}</tt> </tt>
<a name="L1371"></a><tt class="py-lineno">1371</tt>  <tt class="py-line"><tt class="py-docstring">        @return: an object defining the NSR stresses for a particular satellite.</tt> </tt>
<a name="L1372"></a><tt class="py-lineno">1372</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{NSR}</tt> </tt>
<a name="L1373"></a><tt class="py-lineno">1373</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1374"></a><tt class="py-lineno">1374</tt>  <tt class="py-line"> </tt>
<a name="L1375"></a><tt class="py-lineno">1375</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt> <tt class="py-op">=</tt> <tt class="py-string">'Diurnal'</tt> </tt>
<a name="L1376"></a><tt class="py-lineno">1376</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-209" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-209', 'satellite', 'link-77');">satellite</a></tt> <tt class="py-op">=</tt> <tt id="link-210" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-210', 'satellite', 'link-77');">satellite</a></tt> </tt>
<a name="L1377"></a><tt class="py-lineno">1377</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-211" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-211', 'omega', 'link-76');">omega</a></tt> <tt class="py-op">=</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-212" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-212', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-213" class="py-name"><a title="SatStress.SatStress.Satellite.mean_motion" class="py-name" href="#" onclick="return doclink('link-213', 'mean_motion', 'link-44');">mean_motion</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
<a name="L1378"></a><tt class="py-lineno">1378</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-214" class="py-name"><a title="SatStress.SatStress.StressDef.calcLove" class="py-name" href="#" onclick="return doclink('link-214', 'calcLove', 'link-180');">calcLove</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1379"></a><tt class="py-lineno">1379</tt>  <tt class="py-line"> </tt>
<a name="Diurnal.Ttt"></a><div id="Diurnal.Ttt-def"><a name="L1380"></a><tt class="py-lineno">1380</tt> <a class="py-toggle" href="#" id="Diurnal.Ttt-toggle" onclick="return toggle('Diurnal.Ttt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Diurnal-class.html#Ttt">Ttt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Diurnal.Ttt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Diurnal.Ttt-expanded"><a name="L1381"></a><tt class="py-lineno">1381</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1382"></a><tt class="py-lineno">1382</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{theta}S{theta} (north-south) component of the</tt> </tt>
<a name="L1383"></a><tt class="py-lineno">1383</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1384"></a><tt class="py-lineno">1384</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1385"></a><tt class="py-lineno">1385</tt>  <tt class="py-line">         </tt>
<a name="L1386"></a><tt class="py-lineno">1386</tt>  <tt class="py-line">        <tt class="py-name">Ttt1</tt> <tt class="py-op">=</tt> <tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-215" class="py-name"><a title="SatStress.SatStress.StressDef.b1" class="py-name" href="#" onclick="return doclink('link-215', 'b1', 'link-184');">b1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-216" class="py-name"><a title="SatStress.SatStress.StressDef.g1" class="py-name" href="#" onclick="return doclink('link-216', 'g1', 'link-185');">g1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-217" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-217', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1387"></a><tt class="py-lineno">1387</tt>  <tt class="py-line">        <tt class="py-name">Ttt2</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-218" class="py-name"><a title="SatStress.SatStress.StressDef.b1" class="py-name" href="#" onclick="return doclink('link-218', 'b1', 'link-184');">b1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-219" class="py-name"><a title="SatStress.SatStress.StressDef.g1" class="py-name" href="#" onclick="return doclink('link-219', 'g1', 'link-185');">g1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-220" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-220', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt> </tt>
<a name="L1388"></a><tt class="py-lineno">1388</tt>  <tt class="py-line">        <tt class="py-name">Ttt3</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">4.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-221" class="py-name"><a title="SatStress.SatStress.StressDef.b1" class="py-name" href="#" onclick="return doclink('link-221', 'b1', 'link-184');">b1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-222" class="py-name"><a title="SatStress.SatStress.StressDef.g1" class="py-name" href="#" onclick="return doclink('link-222', 'g1', 'link-185');">g1</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-223" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-223', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">sin</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1389"></a><tt class="py-lineno">1389</tt>  <tt class="py-line">        <tt class="py-name">TttD</tt> <tt class="py-op">=</tt> <tt class="py-name">Ttt1</tt> <tt class="py-op">+</tt> <tt class="py-name">Ttt2</tt> <tt class="py-op">+</tt> <tt class="py-name">Ttt3</tt> </tt>
<a name="L1390"></a><tt class="py-lineno">1390</tt>  <tt class="py-line">        <tt class="py-name">TttD</tt> <tt class="py-op">=</tt> <tt class="py-name">TttD</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-224" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-224', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-225" class="py-name"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-225', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-226" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-226', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-227" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-227', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-228" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-228', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-229" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-229', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1391"></a><tt class="py-lineno">1391</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TttD</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1392"></a><tt class="py-lineno">1392</tt>  <tt class="py-line"> </tt>
<a name="Diurnal.Tpp"></a><div id="Diurnal.Tpp-def"><a name="L1393"></a><tt class="py-lineno">1393</tt> <a class="py-toggle" href="#" id="Diurnal.Tpp-toggle" onclick="return toggle('Diurnal.Tpp');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Diurnal-class.html#Tpp">Tpp</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Diurnal.Tpp-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Diurnal.Tpp-expanded"><a name="L1394"></a><tt class="py-lineno">1394</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1395"></a><tt class="py-lineno">1395</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{phi} (east-west) component of the stress tensor.</tt> </tt>
<a name="L1396"></a><tt class="py-lineno">1396</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1397"></a><tt class="py-lineno">1397</tt>  <tt class="py-line">        <tt class="py-name">Tpp1</tt> <tt class="py-op">=</tt> <tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-230" class="py-name"><a title="SatStress.SatStress.StressDef.b2" class="py-name" href="#" onclick="return doclink('link-230', 'b2', 'link-193');">b2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-231" class="py-name"><a title="SatStress.SatStress.StressDef.g2" class="py-name" href="#" onclick="return doclink('link-231', 'g2', 'link-194');">g2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-232" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-232', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1398"></a><tt class="py-lineno">1398</tt>  <tt class="py-line">        <tt class="py-name">Tpp2</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">1.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-233" class="py-name"><a title="SatStress.SatStress.StressDef.b2" class="py-name" href="#" onclick="return doclink('link-233', 'b2', 'link-193');">b2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">+</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-234" class="py-name"><a title="SatStress.SatStress.StressDef.g2" class="py-name" href="#" onclick="return doclink('link-234', 'g2', 'link-194');">g2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-235" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-235', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt> </tt>
<a name="L1399"></a><tt class="py-lineno">1399</tt>  <tt class="py-line">        <tt class="py-name">Tpp3</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">4.0</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-236" class="py-name"><a title="SatStress.SatStress.StressDef.b2" class="py-name" href="#" onclick="return doclink('link-236', 'b2', 'link-193');">b2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">-</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-237" class="py-name"><a title="SatStress.SatStress.StressDef.g2" class="py-name" href="#" onclick="return doclink('link-237', 'g2', 'link-194');">g2</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-238" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-238', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">sin</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1400"></a><tt class="py-lineno">1400</tt>  <tt class="py-line">        <tt class="py-name">TppD</tt> <tt class="py-op">=</tt> <tt class="py-name">Tpp1</tt> <tt class="py-op">+</tt> <tt class="py-name">Tpp2</tt> <tt class="py-op">+</tt> <tt class="py-name">Tpp3</tt> </tt>
<a name="L1401"></a><tt class="py-lineno">1401</tt>  <tt class="py-line">        <tt class="py-name">TppD</tt> <tt class="py-op">=</tt> <tt class="py-name">TppD</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-239" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-239', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-240" class="py-name"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-240', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-241" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-241', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-242" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-242', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-243" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-243', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-244" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-244', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1402"></a><tt class="py-lineno">1402</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TppD</tt><tt class="py-op">)</tt> </tt>
</div><a name="L1403"></a><tt class="py-lineno">1403</tt>  <tt class="py-line"> </tt>
<a name="Diurnal.Tpt"></a><div id="Diurnal.Tpt-def"><a name="L1404"></a><tt class="py-lineno">1404</tt> <a class="py-toggle" href="#" id="Diurnal.Tpt-toggle" onclick="return toggle('Diurnal.Tpt');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.Diurnal-class.html#Tpt">Tpt</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Diurnal.Tpt-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="Diurnal.Tpt-expanded"><a name="L1405"></a><tt class="py-lineno">1405</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1406"></a><tt class="py-lineno">1406</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates the S{tau}_S{phi}S{theta} (off-diagonal) component of the</tt> </tt>
<a name="L1407"></a><tt class="py-lineno">1407</tt>  <tt class="py-line"><tt class="py-docstring">        stress tensor.</tt> </tt>
<a name="L1408"></a><tt class="py-lineno">1408</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1409"></a><tt class="py-lineno">1409</tt>  <tt class="py-line">        <tt class="py-name">Tpt1</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">4.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-245" class="py-name"><a title="SatStress.SatStress.StressDef.Gamma" class="py-name" href="#" onclick="return doclink('link-245', 'Gamma', 'link-202');">Gamma</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-246" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-246', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1410"></a><tt class="py-lineno">1410</tt>  <tt class="py-line">        <tt class="py-name">Tpt2</tt> <tt class="py-op">=</tt> <tt class="py-op">-</tt><tt class="py-number">3.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-247" class="py-name"><a title="SatStress.SatStress.StressDef.Gamma" class="py-name" href="#" onclick="return doclink('link-247', 'Gamma', 'link-202');">Gamma</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">exp</tt><tt class="py-op">(</tt><tt class="py-number">1j</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-248" class="py-name"><a title="SatStress.SatStress.StressDef.omega" class="py-name" href="#" onclick="return doclink('link-248', 'omega', 'link-76');">omega</a></tt><tt class="py-op">*</tt><tt class="py-name">t</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">cos</tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">scipy</tt><tt class="py-op">.</tt><tt class="py-name">sin</tt><tt class="py-op">(</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">phi</tt><tt class="py-op">)</tt> </tt>
<a name="L1411"></a><tt class="py-lineno">1411</tt>  <tt class="py-line">        <tt class="py-name">TptD</tt> <tt class="py-op">=</tt> <tt class="py-name">Tpt1</tt> <tt class="py-op">+</tt> <tt class="py-name">Tpt2</tt> </tt>
<a name="L1412"></a><tt class="py-lineno">1412</tt>  <tt class="py-line">        <tt class="py-name">TptD</tt> <tt class="py-op">=</tt> <tt class="py-name">TptD</tt><tt class="py-op">.</tt><tt class="py-name">real</tt><tt class="py-op">*</tt><tt class="py-number">2.0</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-249" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-249', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-250" class="py-name"><a title="SatStress.SatStress.StressDef.Z" class="py-name" href="#" onclick="return doclink('link-250', 'Z', 'link-187');">Z</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">/</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-251" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-251', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-252" class="py-name"><a title="SatStress.SatStress.Satellite.surface_gravity" class="py-name" href="#" onclick="return doclink('link-252', 'surface_gravity', 'link-42');">surface_gravity</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">*</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt id="link-253" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-253', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt id="link-254" class="py-name"><a title="SatStress.SatStress.Satellite.radius" class="py-name" href="#" onclick="return doclink('link-254', 'radius', 'link-24');">radius</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
<a name="L1413"></a><tt class="py-lineno">1413</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">TptD</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1414"></a><tt class="py-lineno">1414</tt>  <tt class="py-line"> </tt>
<a name="L1415"></a><tt class="py-lineno">1415</tt>  <tt class="py-line"><tt class="py-comment">#  end class Diurnal</tt> </tt>
<a name="L1416"></a><tt class="py-lineno">1416</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="StressCalc"></a><div id="StressCalc-def"><a name="L1417"></a><tt class="py-lineno">1417</tt> <a class="py-toggle" href="#" id="StressCalc-toggle" onclick="return toggle('StressCalc');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.StressCalc-class.html">StressCalc</a><tt class="py-op">(</tt><tt class="py-base-class">object</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment">#</tt> </tt>
</div><a name="L1418"></a><tt class="py-lineno">1418</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1419"></a><tt class="py-lineno">1419</tt>  <tt class="py-line"><tt class="py-docstring">    An object which calculates the stresses on the surface of a L{Satellite}</tt> </tt>
<a name="L1420"></a><tt class="py-lineno">1420</tt>  <tt class="py-line"><tt class="py-docstring">    that result from one or more stress fields.</tt> </tt>
<a name="L1421"></a><tt class="py-lineno">1421</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1422"></a><tt class="py-lineno">1422</tt>  <tt class="py-line"><tt class="py-docstring">    @ivar stresses: a list of L{StressDef} objects, corresponding to the stresses which are to</tt> </tt>
<a name="L1423"></a><tt class="py-lineno">1423</tt>  <tt class="py-line"><tt class="py-docstring">    be included in the calculations done by the L{StressCalc} object.</tt> </tt>
<a name="L1424"></a><tt class="py-lineno">1424</tt>  <tt class="py-line"><tt class="py-docstring">    @type stresses: list</tt> </tt>
<a name="L1425"></a><tt class="py-lineno">1425</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="L1426"></a><tt class="py-lineno">1426</tt>  <tt class="py-line"> </tt>
<a name="StressCalc.__init__"></a><div id="StressCalc.__init__-def"><a name="L1427"></a><tt class="py-lineno">1427</tt> <a class="py-toggle" href="#" id="StressCalc.__init__-toggle" onclick="return toggle('StressCalc.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressCalc-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">stressdefs</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="StressCalc.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="StressCalc.__init__-expanded"><a name="L1428"></a><tt class="py-lineno">1428</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1429"></a><tt class="py-lineno">1429</tt>  <tt class="py-line"><tt class="py-docstring">        Defines the list of stresses which are to be calculated at a given point.</tt> </tt>
<a name="L1430"></a><tt class="py-lineno">1430</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1431"></a><tt class="py-lineno">1431</tt>  <tt class="py-line"><tt class="py-docstring">        @param stressdefs: a list of L{StressDef} objects, corresponding to the</tt> </tt>
<a name="L1432"></a><tt class="py-lineno">1432</tt>  <tt class="py-line"><tt class="py-docstring">        stresses which are to be included in the calculation.</tt> </tt>
<a name="L1433"></a><tt class="py-lineno">1433</tt>  <tt class="py-line"><tt class="py-docstring">        @type stressdefs: list</tt> </tt>
<a name="L1434"></a><tt class="py-lineno">1434</tt>  <tt class="py-line"><tt class="py-docstring">        @return:</tt> </tt>
<a name="L1435"></a><tt class="py-lineno">1435</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: L{StressCalc}</tt> </tt>
<a name="L1436"></a><tt class="py-lineno">1436</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1437"></a><tt class="py-lineno">1437</tt>  <tt class="py-line"> </tt>
<a name="L1438"></a><tt class="py-lineno">1438</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stresses</tt> <tt class="py-op">=</tt> <tt class="py-name">stressdefs</tt> </tt>
</div><a name="L1439"></a><tt class="py-lineno">1439</tt>  <tt class="py-line"> </tt>
<a name="StressCalc.tensor"></a><div id="StressCalc.tensor-def"><a name="L1440"></a><tt class="py-lineno">1440</tt> <a class="py-toggle" href="#" id="StressCalc.tensor-toggle" onclick="return toggle('StressCalc.tensor');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.StressCalc-class.html#tensor">tensor</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">theta</tt><tt class="py-op">,</tt> <tt class="py-param">phi</tt><tt class="py-op">,</tt> <tt class="py-param">t</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L1441"></a><tt class="py-lineno">1441</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1442"></a><tt class="py-lineno">1442</tt>  <tt class="py-line"><tt class="py-docstring">        Calculates surface stresses and returns them as a 2x2 stress tensor.</tt> </tt>
<a name="L1443"></a><tt class="py-lineno">1443</tt>  <tt class="py-line"><tt class="py-docstring">        @param theta: the co-latitude of the point at which to calculate the stress [rad].</tt> </tt>
<a name="L1444"></a><tt class="py-lineno">1444</tt>  <tt class="py-line"><tt class="py-docstring">        @type theta: float</tt> </tt>
<a name="L1445"></a><tt class="py-lineno">1445</tt>  <tt class="py-line"><tt class="py-docstring">        @param phi: the east-positive longitude of the point at which to</tt> </tt>
<a name="L1446"></a><tt class="py-lineno">1446</tt>  <tt class="py-line"><tt class="py-docstring">        calculate the stress [rad].</tt> </tt>
<a name="L1447"></a><tt class="py-lineno">1447</tt>  <tt class="py-line"><tt class="py-docstring">        @type phi: float</tt> </tt>
<a name="L1448"></a><tt class="py-lineno">1448</tt>  <tt class="py-line"><tt class="py-docstring">        @param t: the time in seconds elapsed since pericenter, at which to perform the</tt> </tt>
<a name="L1449"></a><tt class="py-lineno">1449</tt>  <tt class="py-line"><tt class="py-docstring">        stress calculation [s].</tt> </tt>
<a name="L1450"></a><tt class="py-lineno">1450</tt>  <tt class="py-line"><tt class="py-docstring">        @type t: float</tt> </tt>
<a name="L1451"></a><tt class="py-lineno">1451</tt>  <tt class="py-line"><tt class="py-docstring">        @return: symmetric 2x2 surface (membrane) stress tensor S{tau}</tt> </tt>
<a name="L1452"></a><tt class="py-lineno">1452</tt>  <tt class="py-line"><tt class="py-docstring">        @rtype: Numpy.array</tt> </tt>
<a name="L1453"></a><tt class="py-lineno">1453</tt>  <tt class="py-line"><tt class="py-docstring">        """</tt> </tt>
<a name="L1454"></a><tt class="py-lineno">1454</tt>  <tt class="py-line"> </tt>
<a name="L1455"></a><tt class="py-lineno">1455</tt>  <tt class="py-line">        <tt class="py-comment"># This naming is just to make things a little more readable.</tt> </tt>
<a name="L1456"></a><tt class="py-lineno">1456</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-name">tau</tt> <tt class="py-op">=</tt> <tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">array</tt><tt class="py-op">(</tt><tt class="py-op">[</tt> <tt class="py-op">[</tt><tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">]</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1457"></a><tt class="py-lineno">1457</tt>  <tt class="py-line">                            <tt class="py-op">[</tt><tt class="py-number">0.0</tt><tt class="py-op">,</tt> <tt class="py-number">0.0</tt><tt class="py-op">]</tt> <tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L1458"></a><tt class="py-lineno">1458</tt>  <tt class="py-line"> </tt>
<a name="L1459"></a><tt class="py-lineno">1459</tt>  <tt class="py-line">        <tt class="py-comment"># Build up each component of the stress tensor, adding the contributions</tt> </tt>
<a name="L1460"></a><tt class="py-lineno">1460</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-comment"># of each forcing listed in self.stresses one at a time:</tt> </tt>
<a name="L1461"></a><tt class="py-lineno">1461</tt>  <tt class="py-line"><tt class="py-comment"></tt>        <tt class="py-keyword">for</tt> <tt class="py-name">stress</tt> <tt class="py-keyword">in</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stresses</tt><tt class="py-op">:</tt> </tt>
<a name="L1462"></a><tt class="py-lineno">1462</tt>  <tt class="py-line">            <tt id="link-255" class="py-name" targets="Method SatStress.SatStress.Diurnal.Ttt()=SatStress.SatStress.Diurnal-class.html#Ttt,Method SatStress.SatStress.NSR.Ttt()=SatStress.SatStress.NSR-class.html#Ttt,Method SatStress.SatStress.StressDef.Ttt()=SatStress.SatStress.StressDef-class.html#Ttt"><a title="SatStress.SatStress.Diurnal.Ttt
SatStress.SatStress.NSR.Ttt
SatStress.SatStress.StressDef.Ttt" class="py-name" href="#" onclick="return doclink('link-255', 'Ttt', 'link-255');">Ttt</a></tt> <tt class="py-op">=</tt> <tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-256" class="py-name"><a title="SatStress.SatStress.Diurnal.Ttt
SatStress.SatStress.NSR.Ttt
SatStress.SatStress.StressDef.Ttt" class="py-name" href="#" onclick="return doclink('link-256', 'Ttt', 'link-255');">Ttt</a></tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">,</tt> <tt class="py-name">phi</tt><tt class="py-op">,</tt> <tt class="py-name">t</tt><tt class="py-op">)</tt> </tt>
<a name="L1463"></a><tt class="py-lineno">1463</tt>  <tt class="py-line">            <tt id="link-257" class="py-name" targets="Method SatStress.SatStress.Diurnal.Tpt()=SatStress.SatStress.Diurnal-class.html#Tpt,Method SatStress.SatStress.NSR.Tpt()=SatStress.SatStress.NSR-class.html#Tpt,Method SatStress.SatStress.StressDef.Tpt()=SatStress.SatStress.StressDef-class.html#Tpt"><a title="SatStress.SatStress.Diurnal.Tpt
SatStress.SatStress.NSR.Tpt
SatStress.SatStress.StressDef.Tpt" class="py-name" href="#" onclick="return doclink('link-257', 'Tpt', 'link-257');">Tpt</a></tt> <tt class="py-op">=</tt> <tt class="py-name">Ttp</tt> <tt class="py-op">=</tt> <tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-258" class="py-name"><a title="SatStress.SatStress.Diurnal.Tpt
SatStress.SatStress.NSR.Tpt
SatStress.SatStress.StressDef.Tpt" class="py-name" href="#" onclick="return doclink('link-258', 'Tpt', 'link-257');">Tpt</a></tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">,</tt> <tt class="py-name">phi</tt><tt class="py-op">,</tt> <tt class="py-name">t</tt><tt class="py-op">)</tt> </tt>
<a name="L1464"></a><tt class="py-lineno">1464</tt>  <tt class="py-line">            <tt id="link-259" class="py-name" targets="Method SatStress.SatStress.Diurnal.Tpp()=SatStress.SatStress.Diurnal-class.html#Tpp,Method SatStress.SatStress.NSR.Tpp()=SatStress.SatStress.NSR-class.html#Tpp,Method SatStress.SatStress.StressDef.Tpp()=SatStress.SatStress.StressDef-class.html#Tpp"><a title="SatStress.SatStress.Diurnal.Tpp
SatStress.SatStress.NSR.Tpp
SatStress.SatStress.StressDef.Tpp" class="py-name" href="#" onclick="return doclink('link-259', 'Tpp', 'link-259');">Tpp</a></tt> <tt class="py-op">=</tt> <tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-260" class="py-name"><a title="SatStress.SatStress.Diurnal.Tpp
SatStress.SatStress.NSR.Tpp
SatStress.SatStress.StressDef.Tpp" class="py-name" href="#" onclick="return doclink('link-260', 'Tpp', 'link-259');">Tpp</a></tt><tt class="py-op">(</tt><tt class="py-name">theta</tt><tt class="py-op">,</tt> <tt class="py-name">phi</tt><tt class="py-op">,</tt> <tt class="py-name">t</tt><tt class="py-op">)</tt> </tt>
<a name="L1465"></a><tt class="py-lineno">1465</tt>  <tt class="py-line"> </tt>
<a name="L1466"></a><tt class="py-lineno">1466</tt>  <tt class="py-line">            <tt class="py-name">tau</tt> <tt class="py-op">+=</tt> <tt class="py-name">numpy</tt><tt class="py-op">.</tt><tt class="py-name">array</tt><tt class="py-op">(</tt><tt class="py-op">[</tt> <tt class="py-op">[</tt><tt id="link-261" class="py-name"><a title="SatStress.SatStress.Diurnal.Ttt
SatStress.SatStress.NSR.Ttt
SatStress.SatStress.StressDef.Ttt" class="py-name" href="#" onclick="return doclink('link-261', 'Ttt', 'link-255');">Ttt</a></tt><tt class="py-op">,</tt> <tt id="link-262" class="py-name"><a title="SatStress.SatStress.Diurnal.Tpt
SatStress.SatStress.NSR.Tpt
SatStress.SatStress.StressDef.Tpt" class="py-name" href="#" onclick="return doclink('link-262', 'Tpt', 'link-257');">Tpt</a></tt><tt class="py-op">]</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1467"></a><tt class="py-lineno">1467</tt>  <tt class="py-line">                                 <tt class="py-op">[</tt><tt class="py-name">Ttp</tt><tt class="py-op">,</tt> <tt id="link-263" class="py-name"><a title="SatStress.SatStress.Diurnal.Tpp
SatStress.SatStress.NSR.Tpp
SatStress.SatStress.StressDef.Tpp" class="py-name" href="#" onclick="return doclink('link-263', 'Tpp', 'link-259');">Tpp</a></tt><tt class="py-op">]</tt> <tt class="py-op">]</tt><tt class="py-op">)</tt> </tt>
<a name="L1468"></a><tt class="py-lineno">1468</tt>  <tt class="py-line"> </tt>
<a name="L1469"></a><tt class="py-lineno">1469</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-name">tau</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1470"></a><tt class="py-lineno">1470</tt>  <tt class="py-line">    <tt class="py-comment">#  end tensor</tt> </tt>
<a name="L1471"></a><tt class="py-lineno">1471</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L1472"></a><tt class="py-lineno">1472</tt>  <tt class="py-line"><tt class="py-comment"># end class StressCalc</tt> </tt>
<a name="L1473"></a><tt class="py-lineno">1473</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L1474"></a><tt class="py-lineno">1474</tt>  <tt class="py-line"><tt class="py-comment"># Exception classes (for error handling):</tt> </tt>
<a name="L1475"></a><tt class="py-lineno">1475</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># </tt> </tt>
<a name="L1476"></a><tt class="py-lineno">1476</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># We're being pretty strict here: if we get anything dubious, we just raise the</tt> </tt>
<a name="L1477"></a><tt class="py-lineno">1477</tt>  <tt class="py-line"><tt class="py-comment"></tt><tt class="py-comment"># exception and allow it to kill the program.</tt> </tt>
<a name="L1478"></a><tt class="py-lineno">1478</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L1479"></a><tt class="py-lineno">1479</tt>  <tt class="py-line"> </tt>
<a name="Error"></a><div id="Error-def"><a name="L1480"></a><tt class="py-lineno">1480</tt> <a class="py-toggle" href="#" id="Error-toggle" onclick="return toggle('Error');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.Error-class.html">Error</a><tt class="py-op">(</tt><tt class="py-base-class">Exception</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="Error-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="Error-expanded"><a name="L1481"></a><tt class="py-lineno">1481</tt>  <tt class="py-line">    <tt class="py-docstring">"""Base class for errors within the SatStress module."""</tt> </tt>
<a name="L1482"></a><tt class="py-lineno">1482</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
</div><a name="L1483"></a><tt class="py-lineno">1483</tt>  <tt class="py-line"> </tt>
<a name="NameValueFileError"></a><div id="NameValueFileError-def"><a name="L1484"></a><tt class="py-lineno">1484</tt> <a class="py-toggle" href="#" id="NameValueFileError-toggle" onclick="return toggle('NameValueFileError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileError-class.html">NameValueFileError</a><tt class="py-op">(</tt><tt class="py-base-class">Error</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L1485"></a><tt class="py-lineno">1485</tt>  <tt class="py-line">    <tt class="py-docstring">"""Base class for errors related to NAME=VALUE style input files."""</tt> </tt>
</div><a name="L1486"></a><tt class="py-lineno">1486</tt>  <tt class="py-line"> </tt>
<a name="NameValueFileParseError"></a><div id="NameValueFileParseError-def"><a name="L1487"></a><tt class="py-lineno">1487</tt> <a class="py-toggle" href="#" id="NameValueFileParseError-toggle" onclick="return toggle('NameValueFileParseError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileParseError-class.html">NameValueFileParseError</a><tt class="py-op">(</tt><tt class="py-base-class">NameValueFileError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L1488"></a><tt class="py-lineno">1488</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates a poorly formatted NAME=VALUE files."""</tt> </tt>
<a name="NameValueFileParseError.__init__"></a><div id="NameValueFileParseError.__init__-def"><a name="L1489"></a><tt class="py-lineno">1489</tt> <a class="py-toggle" href="#" id="NameValueFileParseError.__init__-toggle" onclick="return toggle('NameValueFileParseError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileParseError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">nvf</tt><tt class="py-op">,</tt> <tt class="py-param">line</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NameValueFileParseError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NameValueFileParseError.__init__-expanded"><a name="L1490"></a><tt class="py-lineno">1490</tt>  <tt class="py-line">        <tt class="py-docstring">"""Stores the file and line that generated the parse error.</tt> </tt>
<a name="L1491"></a><tt class="py-lineno">1491</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1492"></a><tt class="py-lineno">1492</tt>  <tt class="py-line"><tt class="py-docstring">        The file object (nvf) and the contents of the poorly formed line</tt> </tt>
<a name="L1493"></a><tt class="py-lineno">1493</tt>  <tt class="py-line"><tt class="py-docstring">        (badline) are stored within the exception, so we can print an error</tt> </tt>
<a name="L1494"></a><tt class="py-lineno">1494</tt>  <tt class="py-line"><tt class="py-docstring">        message with useful debugging information to the user."""</tt> </tt>
<a name="L1495"></a><tt class="py-lineno">1495</tt>  <tt class="py-line"> </tt>
<a name="L1496"></a><tt class="py-lineno">1496</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nvf</tt>  <tt class="py-op">=</tt> <tt class="py-name">nvf</tt> </tt>
<a name="L1497"></a><tt class="py-lineno">1497</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">line</tt> <tt class="py-op">=</tt> <tt class="py-name">line</tt> </tt>
</div><a name="L1498"></a><tt class="py-lineno">1498</tt>  <tt class="py-line"> </tt>
<a name="NameValueFileParseError.__str__"></a><div id="NameValueFileParseError.__str__-def"><a name="L1499"></a><tt class="py-lineno">1499</tt> <a class="py-toggle" href="#" id="NameValueFileParseError.__str__-toggle" onclick="return toggle('NameValueFileParseError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileParseError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NameValueFileParseError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NameValueFileParseError.__str__-expanded"><a name="L1500"></a><tt class="py-lineno">1500</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1501"></a><tt class="py-lineno">1501</tt>  <tt class="py-line"><tt class="py-string">Poorly formatted NAME=VALUE pair found in the following file:</tt> </tt>
<a name="L1502"></a><tt class="py-lineno">1502</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1503"></a><tt class="py-lineno">1503</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1504"></a><tt class="py-lineno">1504</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1505"></a><tt class="py-lineno">1505</tt>  <tt class="py-line"><tt class="py-string">Each non-comment line must consist of a non-whitespace string, followed by</tt> </tt>
<a name="L1506"></a><tt class="py-lineno">1506</tt>  <tt class="py-line"><tt class="py-string">an '=', followed by another non-whitespace string.  For example:</tt> </tt>
<a name="L1507"></a><tt class="py-lineno">1507</tt>  <tt class="py-line"><tt class="py-string">    </tt> </tt>
<a name="L1508"></a><tt class="py-lineno">1508</tt>  <tt class="py-line"><tt class="py-string">MY_PARAMETER = 12345.678e+09</tt> </tt>
<a name="L1509"></a><tt class="py-lineno">1509</tt>  <tt class="py-line"><tt class="py-string">    </tt> </tt>
<a name="L1510"></a><tt class="py-lineno">1510</tt>  <tt class="py-line"><tt class="py-string">Here's the line I got stuck on:</tt> </tt>
<a name="L1511"></a><tt class="py-lineno">1511</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1512"></a><tt class="py-lineno">1512</tt>  <tt class="py-line"><tt class="py-string">%s"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nvf</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">line</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1513"></a><tt class="py-lineno">1513</tt>  <tt class="py-line">    <tt class="py-comment">#  end NameValueFileParseError</tt> </tt>
<a name="L1514"></a><tt class="py-lineno">1514</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="NameValueFileDuplicateNameError"></a><div id="NameValueFileDuplicateNameError-def"><a name="L1515"></a><tt class="py-lineno">1515</tt> <a class="py-toggle" href="#" id="NameValueFileDuplicateNameError-toggle" onclick="return toggle('NameValueFileDuplicateNameError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileDuplicateNameError-class.html">NameValueFileDuplicateNameError</a><tt class="py-op">(</tt><tt class="py-base-class">NameValueFileError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L1516"></a><tt class="py-lineno">1516</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates multiple copies of the same name in an input file."""</tt> </tt>
<a name="NameValueFileDuplicateNameError.__init__"></a><div id="NameValueFileDuplicateNameError.__init__-def"><a name="L1517"></a><tt class="py-lineno">1517</tt> <a class="py-toggle" href="#" id="NameValueFileDuplicateNameError.__init__-toggle" onclick="return toggle('NameValueFileDuplicateNameError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileDuplicateNameError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">nvf</tt><tt class="py-op">,</tt> <tt class="py-param">name</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NameValueFileDuplicateNameError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NameValueFileDuplicateNameError.__init__-expanded"><a name="L1518"></a><tt class="py-lineno">1518</tt>  <tt class="py-line">        <tt class="py-docstring">"""Stores the file and the NAME that was found to be multiply defined.</tt> </tt>
<a name="L1519"></a><tt class="py-lineno">1519</tt>  <tt class="py-line"><tt class="py-docstring">        </tt> </tt>
<a name="L1520"></a><tt class="py-lineno">1520</tt>  <tt class="py-line"><tt class="py-docstring">        NAME is the key, which has been found to be multiply defined in</tt> </tt>
<a name="L1521"></a><tt class="py-lineno">1521</tt>  <tt class="py-line"><tt class="py-docstring">        the input file, nvf."""</tt> </tt>
<a name="L1522"></a><tt class="py-lineno">1522</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nvf</tt>  <tt class="py-op">=</tt> <tt class="py-name">nvf</tt> </tt>
<a name="L1523"></a><tt class="py-lineno">1523</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt> <tt class="py-op">=</tt> <tt class="py-name">name</tt> </tt>
</div><a name="L1524"></a><tt class="py-lineno">1524</tt>  <tt class="py-line"> </tt>
<a name="NameValueFileDuplicateNameError.__str__"></a><div id="NameValueFileDuplicateNameError.__str__-def"><a name="L1525"></a><tt class="py-lineno">1525</tt> <a class="py-toggle" href="#" id="NameValueFileDuplicateNameError.__str__-toggle" onclick="return toggle('NameValueFileDuplicateNameError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NameValueFileDuplicateNameError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NameValueFileDuplicateNameError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NameValueFileDuplicateNameError.__str__-expanded"><a name="L1526"></a><tt class="py-lineno">1526</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1527"></a><tt class="py-lineno">1527</tt>  <tt class="py-line"><tt class="py-string">The name %s was defined multiple times in the input file:</tt> </tt>
<a name="L1528"></a><tt class="py-lineno">1528</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1529"></a><tt class="py-lineno">1529</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1530"></a><tt class="py-lineno">1530</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1531"></a><tt class="py-lineno">1531</tt>  <tt class="py-line"><tt class="py-string">Each NAME in a NAME=VALUE file must be defined only once, otherwise it's</tt> </tt>
<a name="L1532"></a><tt class="py-lineno">1532</tt>  <tt class="py-line"><tt class="py-string">unclear which VALUE ought to be stored.</tt> </tt>
<a name="L1533"></a><tt class="py-lineno">1533</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">nvf</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1534"></a><tt class="py-lineno">1534</tt>  <tt class="py-line">    <tt class="py-comment">#  end NameValueFileDuplicateNameError</tt> </tt>
<a name="L1535"></a><tt class="py-lineno">1535</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="L1536"></a><tt class="py-lineno">1536</tt>  <tt class="py-line"><tt class="py-comment">#  end NameValueFileError classes</tt> </tt>
<a name="L1537"></a><tt class="py-lineno">1537</tt>  <tt class="py-line"><tt class="py-comment"></tt> </tt>
<a name="SatelliteParamError"></a><div id="SatelliteParamError-def"><a name="L1538"></a><tt class="py-lineno">1538</tt> <a class="py-toggle" href="#" id="SatelliteParamError-toggle" onclick="return toggle('SatelliteParamError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.SatelliteParamError-class.html">SatelliteParamError</a><tt class="py-op">(</tt><tt class="py-base-class">Error</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> <tt class="py-comment"># </tt> </tt>
</div><a name="L1539"></a><tt class="py-lineno">1539</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates a problem with the Satellite initialization."""</tt> </tt>
<a name="L1540"></a><tt class="py-lineno">1540</tt>  <tt class="py-line">    <tt class="py-keyword">pass</tt> </tt>
</div><a name="L1541"></a><tt class="py-lineno">1541</tt>  <tt class="py-line"> </tt>
<a name="MissingSatelliteParamError"></a><div id="MissingSatelliteParamError-def"><a name="L1542"></a><tt class="py-lineno">1542</tt> <a class="py-toggle" href="#" id="MissingSatelliteParamError-toggle" onclick="return toggle('MissingSatelliteParamError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.MissingSatelliteParamError-class.html">MissingSatelliteParamError</a><tt class="py-op">(</tt><tt class="py-base-class">SatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="MissingSatelliteParamError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="MissingSatelliteParamError-expanded"><a name="L1543"></a><tt class="py-lineno">1543</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates a required parameter was not found in the input file."""</tt> </tt>
<a name="MissingSatelliteParamError.__init__"></a><div id="MissingSatelliteParamError.__init__-def"><a name="L1544"></a><tt class="py-lineno">1544</tt> <a class="py-toggle" href="#" id="MissingSatelliteParamError.__init__-toggle" onclick="return toggle('MissingSatelliteParamError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.MissingSatelliteParamError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">missingname</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="MissingSatelliteParamError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="MissingSatelliteParamError.__init__-expanded"><a name="L1545"></a><tt class="py-lineno">1545</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt> <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1546"></a><tt class="py-lineno">1546</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">missingname</tt> <tt class="py-op">=</tt> <tt class="py-name">missingname</tt> </tt>
</div><a name="MissingSatelliteParamError.__str__"></a><div id="MissingSatelliteParamError.__str__-def"><a name="L1547"></a><tt class="py-lineno">1547</tt> <a class="py-toggle" href="#" id="MissingSatelliteParamError.__str__-toggle" onclick="return toggle('MissingSatelliteParamError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.MissingSatelliteParamError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="MissingSatelliteParamError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="MissingSatelliteParamError.__str__-expanded"><a name="L1548"></a><tt class="py-lineno">1548</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1549"></a><tt class="py-lineno">1549</tt>  <tt class="py-line"><tt class="py-string">The required parameter %s was not found in the satellite definition file:</tt> </tt>
<a name="L1550"></a><tt class="py-lineno">1550</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1551"></a><tt class="py-lineno">1551</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1552"></a><tt class="py-lineno">1552</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">missingname</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1553"></a><tt class="py-lineno">1553</tt>  <tt class="py-line"> </tt>
<a name="InvalidSatelliteParamError"></a><div id="InvalidSatelliteParamError-def"><a name="L1554"></a><tt class="py-lineno">1554</tt> <a class="py-toggle" href="#" id="InvalidSatelliteParamError-toggle" onclick="return toggle('InvalidSatelliteParamError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.InvalidSatelliteParamError-class.html">InvalidSatelliteParamError</a><tt class="py-op">(</tt><tt class="py-base-class">SatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="InvalidSatelliteParamError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="InvalidSatelliteParamError-expanded"><a name="L1555"></a><tt class="py-lineno">1555</tt>  <tt class="py-line">    <tt class="py-docstring">"""Raised when a required parameter is not found in the input file."""</tt> </tt>
<a name="InvalidSatelliteParamError.__init__"></a><div id="InvalidSatelliteParamError.__init__-def"><a name="L1556"></a><tt class="py-lineno">1556</tt> <a class="py-toggle" href="#" id="InvalidSatelliteParamError.__init__-toggle" onclick="return toggle('InvalidSatelliteParamError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.InvalidSatelliteParamError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="InvalidSatelliteParamError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="InvalidSatelliteParamError.__init__-expanded"><a name="L1557"></a><tt class="py-lineno">1557</tt>  <tt class="py-line">        <tt class="py-docstring">"""</tt> </tt>
<a name="L1558"></a><tt class="py-lineno">1558</tt>  <tt class="py-line"><tt class="py-docstring">Default initialization of an InvalidSatelliteParamError</tt> </tt>
<a name="L1559"></a><tt class="py-lineno">1559</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1560"></a><tt class="py-lineno">1560</tt>  <tt class="py-line"><tt class="py-docstring">Simply sets self.sat = sat (a Satellite object).  Most errors can be well</tt> </tt>
<a name="L1561"></a><tt class="py-lineno">1561</tt>  <tt class="py-line"><tt class="py-docstring">described using only the parameters stored in the Satellite object.</tt> </tt>
<a name="L1562"></a><tt class="py-lineno">1562</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L1563"></a><tt class="py-lineno">1563</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt> <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
</div></div><a name="L1564"></a><tt class="py-lineno">1564</tt>  <tt class="py-line"> </tt>
<a name="LargeEccentricityError"></a><div id="LargeEccentricityError-def"><a name="L1565"></a><tt class="py-lineno">1565</tt> <a class="py-toggle" href="#" id="LargeEccentricityError-toggle" onclick="return toggle('LargeEccentricityError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LargeEccentricityError-class.html">LargeEccentricityError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LargeEccentricityError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="LargeEccentricityError-expanded"><a name="L1566"></a><tt class="py-lineno">1566</tt>  <tt class="py-line">    <tt class="py-docstring">"""Raised when satellite orbital eccentricity is &gt; 0.25"""</tt> </tt>
<a name="LargeEccentricityError.__str__"></a><div id="LargeEccentricityError.__str__-def"><a name="L1567"></a><tt class="py-lineno">1567</tt> <a class="py-toggle" href="#" id="LargeEccentricityError.__str__-toggle" onclick="return toggle('LargeEccentricityError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LargeEccentricityError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LargeEccentricityError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LargeEccentricityError.__str__-expanded"><a name="L1568"></a><tt class="py-lineno">1568</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1569"></a><tt class="py-lineno">1569</tt>  <tt class="py-line"><tt class="py-string">The specified orbital eccentricity (e = %g) found in the file</tt> </tt>
<a name="L1570"></a><tt class="py-lineno">1570</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1571"></a><tt class="py-lineno">1571</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1572"></a><tt class="py-lineno">1572</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1573"></a><tt class="py-lineno">1573</tt>  <tt class="py-line"><tt class="py-string">is too big.  The model implemented by this module, and described in Wahr et al.</tt> </tt>
<a name="L1574"></a><tt class="py-lineno">1574</tt>  <tt class="py-line"><tt class="py-string">(2008) requires that orbital eccentricity be relatively small (&lt; 0.25), for</tt> </tt>
<a name="L1575"></a><tt class="py-lineno">1575</tt>  <tt class="py-line"><tt class="py-string">larger values of eccentricity, some of the mathematical approximations used</tt> </tt>
<a name="L1576"></a><tt class="py-lineno">1576</tt>  <tt class="py-line"><tt class="py-string">break down.</tt> </tt>
<a name="L1577"></a><tt class="py-lineno">1577</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">orbit_eccentricity</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1578"></a><tt class="py-lineno">1578</tt>  <tt class="py-line"> </tt>
<a name="NegativeNSRPeriodError"></a><div id="NegativeNSRPeriodError-def"><a name="L1579"></a><tt class="py-lineno">1579</tt> <a class="py-toggle" href="#" id="NegativeNSRPeriodError-toggle" onclick="return toggle('NegativeNSRPeriodError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NegativeNSRPeriodError-class.html">NegativeNSRPeriodError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NegativeNSRPeriodError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="NegativeNSRPeriodError-expanded"><a name="L1580"></a><tt class="py-lineno">1580</tt>  <tt class="py-line">    <tt class="py-docstring">"""Raised if the satellite's NSR period is less than zero"""</tt> </tt>
<a name="NegativeNSRPeriodError.__str__"></a><div id="NegativeNSRPeriodError.__str__-def"><a name="L1581"></a><tt class="py-lineno">1581</tt> <a class="py-toggle" href="#" id="NegativeNSRPeriodError.__str__-toggle" onclick="return toggle('NegativeNSRPeriodError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NegativeNSRPeriodError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NegativeNSRPeriodError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NegativeNSRPeriodError.__str__-expanded"><a name="L1582"></a><tt class="py-lineno">1582</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1583"></a><tt class="py-lineno">1583</tt>  <tt class="py-line"><tt class="py-string">The input file:</tt> </tt>
<a name="L1584"></a><tt class="py-lineno">1584</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1585"></a><tt class="py-lineno">1585</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1586"></a><tt class="py-lineno">1586</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1587"></a><tt class="py-lineno">1587</tt>  <tt class="py-line"><tt class="py-string">specifies an NSR_PERIOD &lt; 0.0:</tt> </tt>
<a name="L1588"></a><tt class="py-lineno">1588</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1589"></a><tt class="py-lineno">1589</tt>  <tt class="py-line"><tt class="py-string">NSR_PERIOD = %g</tt> </tt>
<a name="L1590"></a><tt class="py-lineno">1590</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1591"></a><tt class="py-lineno">1591</tt>  <tt class="py-line"><tt class="py-string">but NSR_PERIOD can't be negative...</tt> </tt>
<a name="L1592"></a><tt class="py-lineno">1592</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">nsr_period</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1593"></a><tt class="py-lineno">1593</tt>  <tt class="py-line"> </tt>
<a name="ExcessiveSatelliteMassError"></a><div id="ExcessiveSatelliteMassError-def"><a name="L1594"></a><tt class="py-lineno">1594</tt> <a class="py-toggle" href="#" id="ExcessiveSatelliteMassError-toggle" onclick="return toggle('ExcessiveSatelliteMassError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.ExcessiveSatelliteMassError-class.html">ExcessiveSatelliteMassError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ExcessiveSatelliteMassError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="ExcessiveSatelliteMassError-expanded"><a name="L1595"></a><tt class="py-lineno">1595</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1596"></a><tt class="py-lineno">1596</tt>  <tt class="py-line"><tt class="py-docstring">    Raised if the satellite's parent planet is less than 10x as massive as the</tt> </tt>
<a name="L1597"></a><tt class="py-lineno">1597</tt>  <tt class="py-line"><tt class="py-docstring">    satellite."""</tt> </tt>
<a name="L1598"></a><tt class="py-lineno">1598</tt>  <tt class="py-line"> </tt>
<a name="ExcessiveSatelliteMassError.__str__"></a><div id="ExcessiveSatelliteMassError.__str__-def"><a name="L1599"></a><tt class="py-lineno">1599</tt> <a class="py-toggle" href="#" id="ExcessiveSatelliteMassError.__str__-toggle" onclick="return toggle('ExcessiveSatelliteMassError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.ExcessiveSatelliteMassError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="ExcessiveSatelliteMassError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="ExcessiveSatelliteMassError.__str__-expanded"><a name="L1600"></a><tt class="py-lineno">1600</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1601"></a><tt class="py-lineno">1601</tt>  <tt class="py-line"><tt class="py-string">The mass of the planet you specified:</tt> </tt>
<a name="L1602"></a><tt class="py-lineno">1602</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1603"></a><tt class="py-lineno">1603</tt>  <tt class="py-line"><tt class="py-string">PLANET_MASS = %g kg</tt> </tt>
<a name="L1604"></a><tt class="py-lineno">1604</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1605"></a><tt class="py-lineno">1605</tt>  <tt class="py-line"><tt class="py-string">is not that much larger than the mass of the satellite:</tt> </tt>
<a name="L1606"></a><tt class="py-lineno">1606</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1607"></a><tt class="py-lineno">1607</tt>  <tt class="py-line"><tt class="py-string">SATELLITE_MASS = %g kg</tt> </tt>
<a name="L1608"></a><tt class="py-lineno">1608</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1609"></a><tt class="py-lineno">1609</tt>  <tt class="py-line"><tt class="py-string">That seems unlikely to be correct.  Maybe you have a units problem, or</tt> </tt>
<a name="L1610"></a><tt class="py-lineno">1610</tt>  <tt class="py-line"><tt class="py-string">accidentally set the density of one of the layers in the satellite to be</tt> </tt>
<a name="L1611"></a><tt class="py-lineno">1611</tt>  <tt class="py-line"><tt class="py-string">unrealistically high?</tt> </tt>
<a name="L1612"></a><tt class="py-lineno">1612</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">planet_mass</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt id="link-264" class="py-name"><a title="SatStress.SatStress.Satellite.mass" class="py-name" href="#" onclick="return doclink('link-264', 'mass', 'link-19');">mass</a></tt><tt class="py-op">(</tt><tt class="py-op">)</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1613"></a><tt class="py-lineno">1613</tt>  <tt class="py-line"> </tt>
<a name="LoveLayerNumberError"></a><div id="LoveLayerNumberError-def"><a name="L1614"></a><tt class="py-lineno">1614</tt> <a class="py-toggle" href="#" id="LoveLayerNumberError-toggle" onclick="return toggle('LoveLayerNumberError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LoveLayerNumberError-class.html">LoveLayerNumberError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveLayerNumberError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="LoveLayerNumberError-expanded"><a name="L1615"></a><tt class="py-lineno">1615</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1616"></a><tt class="py-lineno">1616</tt>  <tt class="py-line"><tt class="py-docstring">    Raised if the number of layers specified in the satellite definition file</tt> </tt>
<a name="L1617"></a><tt class="py-lineno">1617</tt>  <tt class="py-line"><tt class="py-docstring">    is incompatible with the Love number code.</tt> </tt>
<a name="L1618"></a><tt class="py-lineno">1618</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="LoveLayerNumberError.__str__"></a><div id="LoveLayerNumberError.__str__-def"><a name="L1619"></a><tt class="py-lineno">1619</tt> <a class="py-toggle" href="#" id="LoveLayerNumberError.__str__-toggle" onclick="return toggle('LoveLayerNumberError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LoveLayerNumberError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveLayerNumberError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LoveLayerNumberError.__str__-expanded"><a name="L1620"></a><tt class="py-lineno">1620</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1621"></a><tt class="py-lineno">1621</tt>  <tt class="py-line"><tt class="py-string">You specified a satellite with %d layers in the file:</tt> </tt>
<a name="L1622"></a><tt class="py-lineno">1622</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1623"></a><tt class="py-lineno">1623</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1624"></a><tt class="py-lineno">1624</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1625"></a><tt class="py-lineno">1625</tt>  <tt class="py-line"><tt class="py-string">Unfortunately, at the moment the Love number code that the model uses (based on</tt> </tt>
<a name="L1626"></a><tt class="py-lineno">1626</tt>  <tt class="py-line"><tt class="py-string">Dahlen, 1976) can only deal with a 4 layer satellite (core, ocean, and a</tt> </tt>
<a name="L1627"></a><tt class="py-lineno">1627</tt>  <tt class="py-line"><tt class="py-string">2-layer ice shell).  You can, however, set both of the ice layers to have</tt> </tt>
<a name="L1628"></a><tt class="py-lineno">1628</tt>  <tt class="py-line"><tt class="py-string">identical properties, and vary the thicknesses of the layers significantly to</tt> </tt>
<a name="L1629"></a><tt class="py-lineno">1629</tt>  <tt class="py-line"><tt class="py-string">minimize their effects if you want.</tt> </tt>
<a name="L1630"></a><tt class="py-lineno">1630</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">num_layers</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1631"></a><tt class="py-lineno">1631</tt>  <tt class="py-line"> </tt>
<a name="InvalidLoveNumberError"></a><div id="InvalidLoveNumberError-def"><a name="L1632"></a><tt class="py-lineno">1632</tt> <a class="py-toggle" href="#" id="InvalidLoveNumberError-toggle" onclick="return toggle('InvalidLoveNumberError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.InvalidLoveNumberError-class.html">InvalidLoveNumberError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="InvalidLoveNumberError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="InvalidLoveNumberError-expanded"><a name="L1633"></a><tt class="py-lineno">1633</tt>  <tt class="py-line">    <tt class="py-docstring">"""Raised if the Love numbers are found to be suspicious."""</tt> </tt>
<a name="InvalidLoveNumberError.__init__"></a><div id="InvalidLoveNumberError.__init__-def"><a name="L1634"></a><tt class="py-lineno">1634</tt> <a class="py-toggle" href="#" id="InvalidLoveNumberError.__init__-toggle" onclick="return toggle('InvalidLoveNumberError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.InvalidLoveNumberError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">stress</tt><tt class="py-op">,</tt> <tt class="py-param">love</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="InvalidLoveNumberError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="InvalidLoveNumberError.__init__-expanded"><a name="L1635"></a><tt class="py-lineno">1635</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt> <tt class="py-op">=</tt> <tt class="py-name">stress</tt> </tt>
</div><a name="L1636"></a><tt class="py-lineno">1636</tt>  <tt class="py-line"> </tt>
<a name="InvalidLoveNumberError.__str__"></a><div id="InvalidLoveNumberError.__str__-def"><a name="L1637"></a><tt class="py-lineno">1637</tt> <a class="py-toggle" href="#" id="InvalidLoveNumberError.__str__-toggle" onclick="return toggle('InvalidLoveNumberError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.InvalidLoveNumberError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="InvalidLoveNumberError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="InvalidLoveNumberError.__str__-expanded"><a name="L1638"></a><tt class="py-lineno">1638</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1639"></a><tt class="py-lineno">1639</tt>  <tt class="py-line"><tt class="py-string">Sanity check failed on %s Love numbers:</tt> </tt>
<a name="L1640"></a><tt class="py-lineno">1640</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1641"></a><tt class="py-lineno">1641</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1642"></a><tt class="py-lineno">1642</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1643"></a><tt class="py-lineno">1643</tt>  <tt class="py-line"><tt class="py-string">Real parts must have larger magnitudes than imaginary parts.  Real parts must</tt> </tt>
<a name="L1644"></a><tt class="py-lineno">1644</tt>  <tt class="py-line"><tt class="py-string">be positive.  Imaginary parts must be negative.  Satellite specification was</tt> </tt>
<a name="L1645"></a><tt class="py-lineno">1645</tt>  <tt class="py-line"><tt class="py-string">read in from the following file:</tt> </tt>
<a name="L1646"></a><tt class="py-lineno">1646</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1647"></a><tt class="py-lineno">1647</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1648"></a><tt class="py-lineno">1648</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1649"></a><tt class="py-lineno">1649</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">stress</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt> <tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-265" class="py-name"><a title="SatStress.SatStress.StressDef.love" class="py-name" href="#" onclick="return doclink('link-265', 'love', 'link-78');">love</a></tt><tt class="py-op">,</tt> <tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-266" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-266', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="LoveExcessiveDeltaError"></a><div id="LoveExcessiveDeltaError-def"><a name="L1650"></a><tt class="py-lineno">1650</tt> <a class="py-toggle" href="#" id="LoveExcessiveDeltaError-toggle" onclick="return toggle('LoveExcessiveDeltaError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LoveExcessiveDeltaError-class.html">LoveExcessiveDeltaError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveExcessiveDeltaError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="LoveExcessiveDeltaError-expanded"><a name="L1651"></a><tt class="py-lineno">1651</tt>  <tt class="py-line">    <tt class="py-docstring">"""Raised when S{Delta} &gt; 10^9 for any of the ice layers, at which point</tt> </tt>
<a name="L1652"></a><tt class="py-lineno">1652</tt>  <tt class="py-line"><tt class="py-docstring">    the Love number code becomes unreliable."""</tt> </tt>
<a name="LoveExcessiveDeltaError.__init__"></a><div id="LoveExcessiveDeltaError.__init__-def"><a name="L1653"></a><tt class="py-lineno">1653</tt> <a class="py-toggle" href="#" id="LoveExcessiveDeltaError.__init__-toggle" onclick="return toggle('LoveExcessiveDeltaError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LoveExcessiveDeltaError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">stress</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveExcessiveDeltaError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LoveExcessiveDeltaError.__init__-expanded"><a name="L1654"></a><tt class="py-lineno">1654</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt> <tt class="py-op">=</tt> <tt class="py-name">stress</tt> </tt>
<a name="L1655"></a><tt class="py-lineno">1655</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt> <tt class="py-op">=</tt> <tt class="py-name">layer_n</tt> </tt>
</div><a name="L1656"></a><tt class="py-lineno">1656</tt>  <tt class="py-line"> </tt>
<a name="LoveExcessiveDeltaError.__str__"></a><div id="LoveExcessiveDeltaError.__str__-def"><a name="L1657"></a><tt class="py-lineno">1657</tt> <a class="py-toggle" href="#" id="LoveExcessiveDeltaError.__str__-toggle" onclick="return toggle('LoveExcessiveDeltaError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LoveExcessiveDeltaError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LoveExcessiveDeltaError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LoveExcessiveDeltaError.__str__-expanded"><a name="L1658"></a><tt class="py-lineno">1658</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1659"></a><tt class="py-lineno">1659</tt>  <tt class="py-line"><tt class="py-string">The value of Delta (= lame_mu/(viscosity*omega), a measure of how viscously</tt> </tt>
<a name="L1660"></a><tt class="py-lineno">1660</tt>  <tt class="py-line"><tt class="py-string">a layer responds to an applied forcing frequency) was found to be too large:</tt> </tt>
<a name="L1661"></a><tt class="py-lineno">1661</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1662"></a><tt class="py-lineno">1662</tt>  <tt class="py-line"><tt class="py-string">Delta = %g</tt> </tt>
<a name="L1663"></a><tt class="py-lineno">1663</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1664"></a><tt class="py-lineno">1664</tt>  <tt class="py-line"><tt class="py-string">in layer %d (LAYER_ID = %s), under the %s forcing.</tt> </tt>
<a name="L1665"></a><tt class="py-lineno">1665</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1666"></a><tt class="py-lineno">1666</tt>  <tt class="py-line"><tt class="py-string">specified in the input file:</tt> </tt>
<a name="L1667"></a><tt class="py-lineno">1667</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1668"></a><tt class="py-lineno">1668</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1669"></a><tt class="py-lineno">1669</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1670"></a><tt class="py-lineno">1670</tt>  <tt class="py-line"><tt class="py-string">For the Love number code to produce reliable results, Delta should be less than</tt> </tt>
<a name="L1671"></a><tt class="py-lineno">1671</tt>  <tt class="py-line"><tt class="py-string">about 10^9.  Either reduce the forcing period or increase the viscosity.  If</tt> </tt>
<a name="L1672"></a><tt class="py-lineno">1672</tt>  <tt class="py-line"><tt class="py-string">you want an infinite forcing period (i.e. if you want all stresses due to the</tt> </tt>
<a name="L1673"></a><tt class="py-lineno">1673</tt>  <tt class="py-line"><tt class="py-string">forcing to relax to zero) use:</tt> </tt>
<a name="L1674"></a><tt class="py-lineno">1674</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1675"></a><tt class="py-lineno">1675</tt>  <tt class="py-line"><tt class="py-string">FORCING_PERIOD = infinity</tt> </tt>
<a name="L1676"></a><tt class="py-lineno">1676</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-267" class="py-name"><a title="SatStress.SatStress.StressDef.Delta" class="py-name" href="#" onclick="return doclink('link-267', 'Delta', 'link-80');">Delta</a></tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1677"></a><tt class="py-lineno">1677</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1678"></a><tt class="py-lineno">1678</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-268" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-268', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">layer_id</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1679"></a><tt class="py-lineno">1679</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt><tt class="py-op">.</tt><tt class="py-name">__name__</tt><tt class="py-op">,</tt>\ </tt>
<a name="L1680"></a><tt class="py-lineno">1680</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">stress</tt><tt class="py-op">.</tt><tt id="link-269" class="py-name"><a title="SatStress.SatStress.StressDef.satellite" class="py-name" href="#" onclick="return doclink('link-269', 'satellite', 'link-77');">satellite</a></tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1681"></a><tt class="py-lineno">1681</tt>  <tt class="py-line"> </tt>
<a name="GravitationallyUnstableSatelliteError"></a><div id="GravitationallyUnstableSatelliteError-def"><a name="L1682"></a><tt class="py-lineno">1682</tt> <a class="py-toggle" href="#" id="GravitationallyUnstableSatelliteError-toggle" onclick="return toggle('GravitationallyUnstableSatelliteError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.GravitationallyUnstableSatelliteError-class.html">GravitationallyUnstableSatelliteError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GravitationallyUnstableSatelliteError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="GravitationallyUnstableSatelliteError-expanded"><a name="L1683"></a><tt class="py-lineno">1683</tt>  <tt class="py-line">    <tt class="py-docstring">"""</tt> </tt>
<a name="L1684"></a><tt class="py-lineno">1684</tt>  <tt class="py-line"><tt class="py-docstring">    Raised if the density of layers is found not to decrease as you move toward the</tt> </tt>
<a name="L1685"></a><tt class="py-lineno">1685</tt>  <tt class="py-line"><tt class="py-docstring">    surface from the center of the satellite.</tt> </tt>
<a name="L1686"></a><tt class="py-lineno">1686</tt>  <tt class="py-line"><tt class="py-docstring">    """</tt> </tt>
<a name="GravitationallyUnstableSatelliteError.__init__"></a><div id="GravitationallyUnstableSatelliteError.__init__-def"><a name="L1687"></a><tt class="py-lineno">1687</tt> <a class="py-toggle" href="#" id="GravitationallyUnstableSatelliteError.__init__-toggle" onclick="return toggle('GravitationallyUnstableSatelliteError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.GravitationallyUnstableSatelliteError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GravitationallyUnstableSatelliteError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="GravitationallyUnstableSatelliteError.__init__-expanded"><a name="L1688"></a><tt class="py-lineno">1688</tt>  <tt class="py-line">        <tt class="py-docstring">"""Overrides the base InvalidSatelliteParamError.__init__() function.</tt> </tt>
<a name="L1689"></a><tt class="py-lineno">1689</tt>  <tt class="py-line"><tt class="py-docstring"></tt> </tt>
<a name="L1690"></a><tt class="py-lineno">1690</tt>  <tt class="py-line"><tt class="py-docstring">We also need to know which layers have a gravitationally unstable arrangement.</tt> </tt>
<a name="L1691"></a><tt class="py-lineno">1691</tt>  <tt class="py-line"><tt class="py-docstring">"""</tt> </tt>
<a name="L1692"></a><tt class="py-lineno">1692</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt> <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1693"></a><tt class="py-lineno">1693</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt>   <tt class="py-op">=</tt> <tt class="py-name">layer_n</tt> </tt>
</div><a name="L1694"></a><tt class="py-lineno">1694</tt>  <tt class="py-line"> </tt>
<a name="GravitationallyUnstableSatelliteError.__str__"></a><div id="GravitationallyUnstableSatelliteError.__str__-def"><a name="L1695"></a><tt class="py-lineno">1695</tt> <a class="py-toggle" href="#" id="GravitationallyUnstableSatelliteError.__str__-toggle" onclick="return toggle('GravitationallyUnstableSatelliteError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.GravitationallyUnstableSatelliteError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="GravitationallyUnstableSatelliteError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="GravitationallyUnstableSatelliteError.__str__-expanded"><a name="L1696"></a><tt class="py-lineno">1696</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1697"></a><tt class="py-lineno">1697</tt>  <tt class="py-line"><tt class="py-string">You have specified a satellite which is gravitationally unstable because</tt> </tt>
<a name="L1698"></a><tt class="py-lineno">1698</tt>  <tt class="py-line"><tt class="py-string">one of the layers is on top of another having lower density:</tt> </tt>
<a name="L1699"></a><tt class="py-lineno">1699</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1700"></a><tt class="py-lineno">1700</tt>  <tt class="py-line"><tt class="py-string">Density of layer %d (%s) = %g [kg m^-3]</tt> </tt>
<a name="L1701"></a><tt class="py-lineno">1701</tt>  <tt class="py-line"><tt class="py-string">Density of layer %d (%s) = %g [kg m^-3]</tt> </tt>
<a name="L1702"></a><tt class="py-lineno">1702</tt>  <tt class="py-line"><tt class="py-string">    </tt> </tt>
<a name="L1703"></a><tt class="py-lineno">1703</tt>  <tt class="py-line"><tt class="py-string">This will cause the Love number code to blow up.  Maybe you have a typo</tt> </tt>
<a name="L1704"></a><tt class="py-lineno">1704</tt>  <tt class="py-line"><tt class="py-string">in this input file:</tt> </tt>
<a name="L1705"></a><tt class="py-lineno">1705</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1706"></a><tt class="py-lineno">1706</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1707"></a><tt class="py-lineno">1707</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1708"></a><tt class="py-lineno">1708</tt>  <tt class="py-line"><tt class="py-string">Or maybe you ordered the layers incorrectly.  Layer 0 is the core, and the</tt> </tt>
<a name="L1709"></a><tt class="py-lineno">1709</tt>  <tt class="py-line"><tt class="py-string">layer number increases with increasing distance from the core (it's like the</tt> </tt>
<a name="L1710"></a><tt class="py-lineno">1710</tt>  <tt class="py-line"><tt class="py-string">radial dimension in spherical coordinates, not like "depth").</tt> </tt>
<a name="L1711"></a><tt class="py-lineno">1711</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">layer_id</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-270" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-270', 'density', 'link-16');">density</a></tt><tt class="py-op">,</tt>\ </tt>
<a name="L1712"></a><tt class="py-lineno">1712</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt class="py-name">layer_id</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">layers</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">-</tt><tt class="py-number">1</tt><tt class="py-op">]</tt><tt class="py-op">.</tt><tt id="link-271" class="py-name"><a title="SatStress.SatStress.Satellite.density" class="py-name" href="#" onclick="return doclink('link-271', 'density', 'link-16');">density</a></tt><tt class="py-op">,</tt>\ </tt>
<a name="L1713"></a><tt class="py-lineno">1713</tt>  <tt class="py-line">       <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1714"></a><tt class="py-lineno">1714</tt>  <tt class="py-line"> </tt>
<a name="NonNumberSatelliteParamError"></a><div id="NonNumberSatelliteParamError-def"><a name="L1715"></a><tt class="py-lineno">1715</tt> <a class="py-toggle" href="#" id="NonNumberSatelliteParamError-toggle" onclick="return toggle('NonNumberSatelliteParamError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NonNumberSatelliteParamError-class.html">NonNumberSatelliteParamError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NonNumberSatelliteParamError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="NonNumberSatelliteParamError-expanded"><a name="L1716"></a><tt class="py-lineno">1716</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates that a non-numeric value was found for a numerical parameter."""</tt> </tt>
<a name="NonNumberSatelliteParamError.__init__"></a><div id="NonNumberSatelliteParamError.__init__-def"><a name="L1717"></a><tt class="py-lineno">1717</tt> <a class="py-toggle" href="#" id="NonNumberSatelliteParamError.__init__-toggle" onclick="return toggle('NonNumberSatelliteParamError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NonNumberSatelliteParamError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">badname</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NonNumberSatelliteParamError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NonNumberSatelliteParamError.__init__-expanded"><a name="L1718"></a><tt class="py-lineno">1718</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt>     <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1719"></a><tt class="py-lineno">1719</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badname</tt> <tt class="py-op">=</tt> <tt class="py-name">badname</tt> </tt>
</div><a name="NonNumberSatelliteParamError.__str__"></a><div id="NonNumberSatelliteParamError.__str__-def"><a name="L1720"></a><tt class="py-lineno">1720</tt> <a class="py-toggle" href="#" id="NonNumberSatelliteParamError.__str__-toggle" onclick="return toggle('NonNumberSatelliteParamError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NonNumberSatelliteParamError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NonNumberSatelliteParamError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NonNumberSatelliteParamError.__str__-expanded"><a name="L1721"></a><tt class="py-lineno">1721</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1722"></a><tt class="py-lineno">1722</tt>  <tt class="py-line"><tt class="py-string">Found a non-numeric value for a numeric parameter:</tt> </tt>
<a name="L1723"></a><tt class="py-lineno">1723</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1724"></a><tt class="py-lineno">1724</tt>  <tt class="py-line"><tt class="py-string">%s = %s</tt> </tt>
<a name="L1725"></a><tt class="py-lineno">1725</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1726"></a><tt class="py-lineno">1726</tt>  <tt class="py-line"><tt class="py-string">in the input file:</tt> </tt>
<a name="L1727"></a><tt class="py-lineno">1727</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1728"></a><tt class="py-lineno">1728</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1729"></a><tt class="py-lineno">1729</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badname</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badname</tt><tt class="py-op">]</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1730"></a><tt class="py-lineno">1730</tt>  <tt class="py-line"> </tt>
<a name="LowLayerDensityError"></a><div id="LowLayerDensityError-def"><a name="L1731"></a><tt class="py-lineno">1731</tt> <a class="py-toggle" href="#" id="LowLayerDensityError-toggle" onclick="return toggle('LowLayerDensityError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerDensityError-class.html">LowLayerDensityError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerDensityError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="LowLayerDensityError-expanded"><a name="L1732"></a><tt class="py-lineno">1732</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates that a layer has been assigned an unrealistically low density."""</tt> </tt>
<a name="LowLayerDensityError.__init__"></a><div id="LowLayerDensityError.__init__-def"><a name="L1733"></a><tt class="py-lineno">1733</tt> <a class="py-toggle" href="#" id="LowLayerDensityError.__init__-toggle" onclick="return toggle('LowLayerDensityError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerDensityError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerDensityError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LowLayerDensityError.__init__-expanded"><a name="L1734"></a><tt class="py-lineno">1734</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt>   <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1735"></a><tt class="py-lineno">1735</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt>     <tt class="py-op">=</tt> <tt class="py-name">layer_n</tt> </tt>
</div><a name="L1736"></a><tt class="py-lineno">1736</tt>  <tt class="py-line"> </tt>
<a name="LowLayerDensityError.__str__"></a><div id="LowLayerDensityError.__str__-def"><a name="L1737"></a><tt class="py-lineno">1737</tt> <a class="py-toggle" href="#" id="LowLayerDensityError.__str__-toggle" onclick="return toggle('LowLayerDensityError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerDensityError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerDensityError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LowLayerDensityError.__str__-expanded"><a name="L1738"></a><tt class="py-lineno">1738</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1739"></a><tt class="py-lineno">1739</tt>  <tt class="py-line"><tt class="py-string">Found an unrealistically low layer density:</tt> </tt>
<a name="L1740"></a><tt class="py-lineno">1740</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1741"></a><tt class="py-lineno">1741</tt>  <tt class="py-line"><tt class="py-string">DENSITY_%d = %g</tt> </tt>
<a name="L1742"></a><tt class="py-lineno">1742</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1743"></a><tt class="py-lineno">1743</tt>  <tt class="py-line"><tt class="py-string">specified in the input file:</tt> </tt>
<a name="L1744"></a><tt class="py-lineno">1744</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1745"></a><tt class="py-lineno">1745</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1746"></a><tt class="py-lineno">1746</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1747"></a><tt class="py-lineno">1747</tt>  <tt class="py-line"><tt class="py-string">Recall that all input parameters are in SI (meters, kilograms, seconds) units,</tt> </tt>
<a name="L1748"></a><tt class="py-lineno">1748</tt>  <tt class="py-line"><tt class="py-string">and so, for example, water has a density of 1000 [kg m^-3], not 1.0 [g cm^-3].</tt> </tt>
<a name="L1749"></a><tt class="py-lineno">1749</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'DENSITY_'</tt><tt class="py-op">+</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1750"></a><tt class="py-lineno">1750</tt>  <tt class="py-line"> </tt>
<a name="LowLayerThicknessError"></a><div id="LowLayerThicknessError-def"><a name="L1751"></a><tt class="py-lineno">1751</tt> <a class="py-toggle" href="#" id="LowLayerThicknessError-toggle" onclick="return toggle('LowLayerThicknessError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerThicknessError-class.html">LowLayerThicknessError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerThicknessError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="LowLayerThicknessError-expanded"><a name="L1752"></a><tt class="py-lineno">1752</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates that a layer has been given too small of a thickness"""</tt> </tt>
<a name="LowLayerThicknessError.__init__"></a><div id="LowLayerThicknessError.__init__-def"><a name="L1753"></a><tt class="py-lineno">1753</tt> <a class="py-toggle" href="#" id="LowLayerThicknessError.__init__-toggle" onclick="return toggle('LowLayerThicknessError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerThicknessError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">layer_n</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerThicknessError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LowLayerThicknessError.__init__-expanded"><a name="L1754"></a><tt class="py-lineno">1754</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt>   <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1755"></a><tt class="py-lineno">1755</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt>     <tt class="py-op">=</tt> <tt class="py-name">layer_n</tt> </tt>
</div><a name="L1756"></a><tt class="py-lineno">1756</tt>  <tt class="py-line"> </tt>
<a name="LowLayerThicknessError.__str__"></a><div id="LowLayerThicknessError.__str__-def"><a name="L1757"></a><tt class="py-lineno">1757</tt> <a class="py-toggle" href="#" id="LowLayerThicknessError.__str__-toggle" onclick="return toggle('LowLayerThicknessError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.LowLayerThicknessError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="LowLayerThicknessError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="LowLayerThicknessError.__str__-expanded"><a name="L1758"></a><tt class="py-lineno">1758</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1759"></a><tt class="py-lineno">1759</tt>  <tt class="py-line"><tt class="py-string">Found a layer thickness of less than 100 meters:</tt> </tt>
<a name="L1760"></a><tt class="py-lineno">1760</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1761"></a><tt class="py-lineno">1761</tt>  <tt class="py-line"><tt class="py-string">THICKNESS_%d = %g</tt> </tt>
<a name="L1762"></a><tt class="py-lineno">1762</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1763"></a><tt class="py-lineno">1763</tt>  <tt class="py-line"><tt class="py-string">specified in the input file:</tt> </tt>
<a name="L1764"></a><tt class="py-lineno">1764</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1765"></a><tt class="py-lineno">1765</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1766"></a><tt class="py-lineno">1766</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1767"></a><tt class="py-lineno">1767</tt>  <tt class="py-line"><tt class="py-string">Recall that all input parameters are in SI (meters, kilograms, seconds) units.</tt> </tt>
<a name="L1768"></a><tt class="py-lineno">1768</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-string">'THICKENSS_'</tt><tt class="py-op">+</tt><tt class="py-name">str</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">n</tt><tt class="py-op">)</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1769"></a><tt class="py-lineno">1769</tt>  <tt class="py-line"> </tt>
<a name="NegativeLayerParamError"></a><div id="NegativeLayerParamError-def"><a name="L1770"></a><tt class="py-lineno">1770</tt> <a class="py-toggle" href="#" id="NegativeLayerParamError-toggle" onclick="return toggle('NegativeLayerParamError');">-</a><tt class="py-line"><tt class="py-keyword">class</tt> <a class="py-def-name" href="SatStress.SatStress.NegativeLayerParamError-class.html">NegativeLayerParamError</a><tt class="py-op">(</tt><tt class="py-base-class">InvalidSatelliteParamError</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NegativeLayerParamError-collapsed" style="display:none;" pad="++++" indent="++++"></div><div id="NegativeLayerParamError-expanded"><a name="L1771"></a><tt class="py-lineno">1771</tt>  <tt class="py-line">    <tt class="py-docstring">"""Indicates a layer has been given an unphysical material property."""</tt> </tt>
<a name="NegativeLayerParamError.__init__"></a><div id="NegativeLayerParamError.__init__-def"><a name="L1772"></a><tt class="py-lineno">1772</tt> <a class="py-toggle" href="#" id="NegativeLayerParamError.__init__-toggle" onclick="return toggle('NegativeLayerParamError.__init__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NegativeLayerParamError-class.html#__init__">__init__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">,</tt> <tt class="py-param">sat</tt><tt class="py-op">,</tt> <tt class="py-param">badparam</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NegativeLayerParamError.__init__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NegativeLayerParamError.__init__-expanded"><a name="L1773"></a><tt class="py-lineno">1773</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt>      <tt class="py-op">=</tt> <tt class="py-name">sat</tt> </tt>
<a name="L1774"></a><tt class="py-lineno">1774</tt>  <tt class="py-line">        <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badparam</tt> <tt class="py-op">=</tt> <tt class="py-name">badparam</tt> </tt>
</div><a name="L1775"></a><tt class="py-lineno">1775</tt>  <tt class="py-line"> </tt>
<a name="NegativeLayerParamError.__str__"></a><div id="NegativeLayerParamError.__str__-def"><a name="L1776"></a><tt class="py-lineno">1776</tt> <a class="py-toggle" href="#" id="NegativeLayerParamError.__str__-toggle" onclick="return toggle('NegativeLayerParamError.__str__');">-</a><tt class="py-line">    <tt class="py-keyword">def</tt> <a class="py-def-name" href="SatStress.SatStress.NegativeLayerParamError-class.html#__str__">__str__</a><tt class="py-op">(</tt><tt class="py-param">self</tt><tt class="py-op">)</tt><tt class="py-op">:</tt> </tt>
</div><div id="NegativeLayerParamError.__str__-collapsed" style="display:none;" pad="++++" indent="++++++++"></div><div id="NegativeLayerParamError.__str__-expanded"><a name="L1777"></a><tt class="py-lineno">1777</tt>  <tt class="py-line">        <tt class="py-keyword">return</tt><tt class="py-op">(</tt><tt class="py-string">"""</tt> </tt>
<a name="L1778"></a><tt class="py-lineno">1778</tt>  <tt class="py-line"><tt class="py-string">Found an unexpectedly negative value for %s:</tt> </tt>
<a name="L1779"></a><tt class="py-lineno">1779</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1780"></a><tt class="py-lineno">1780</tt>  <tt class="py-line"><tt class="py-string">%s = %g</tt> </tt>
<a name="L1781"></a><tt class="py-lineno">1781</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1782"></a><tt class="py-lineno">1782</tt>  <tt class="py-line"><tt class="py-string">specified in the input file:</tt> </tt>
<a name="L1783"></a><tt class="py-lineno">1783</tt>  <tt class="py-line"><tt class="py-string"></tt> </tt>
<a name="L1784"></a><tt class="py-lineno">1784</tt>  <tt class="py-line"><tt class="py-string">%s</tt> </tt>
<a name="L1785"></a><tt class="py-lineno">1785</tt>  <tt class="py-line"><tt class="py-string">"""</tt> <tt class="py-op">%</tt> <tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badparam</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badparam</tt><tt class="py-op">,</tt> <tt class="py-name">float</tt><tt class="py-op">(</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">satParams</tt><tt class="py-op">[</tt><tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">badparam</tt><tt class="py-op">]</tt><tt class="py-op">)</tt><tt class="py-op">,</tt> <tt class="py-name">self</tt><tt class="py-op">.</tt><tt class="py-name">sat</tt><tt class="py-op">.</tt><tt class="py-name">sourcefile</tt><tt class="py-op">.</tt><tt class="py-name">name</tt><tt class="py-op">)</tt><tt class="py-op">)</tt> </tt>
</div></div><a name="L1786"></a><tt class="py-lineno">1786</tt>  <tt class="py-line"> </tt><script type="text/javascript">
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